Finding the Fourth Proportional to 52,861,409,401.32, 72,948,752,843.30 and 28,775,613,864.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,861,409,401.32 : 72,948,752,843.30 = 28,775,613,864.98 : x
2. Step 2: Convert to fraction form
   52,861,409,401.32/72,948,752,843.30 = 28,775,613,864.98/x
3. Step 3: Cross multiply
   52,861,409,401.32x = 72,948,752,843.30 × 28,775,613,864.98
4. Step 4: Simplify right side
   52,861,409,401.32x = 2,099,145,143,750,153,994,240
5. Step 5: Solve for x
   x = 2,099,145,143,750,153,994,240/52,861,409,401.32
6. Step 6: Final answer
   x = 39,710,351,417.49