Finding the Fourth Proportional to 52,861,409,399.81, 72,948,752,841.22 and 28,775,613,863.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,861,409,399.81 : 72,948,752,841.22 = 28,775,613,863.48 : x
2. Step 2: Convert to fraction form
   52,861,409,399.81/72,948,752,841.22 = 28,775,613,863.48/x
3. Step 3: Cross multiply
   52,861,409,399.81x = 72,948,752,841.22 × 28,775,613,863.48
4. Step 4: Simplify right side
   52,861,409,399.81x = 2,099,145,143,580,935,061,504
5. Step 5: Solve for x
   x = 2,099,145,143,580,935,061,504/52,861,409,399.81
6. Step 6: Final answer
   x = 39,710,351,415.42