Finding the Fourth Proportional to 52,782.92, 72,837.72 and 28,904.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,782.92 : 72,837.72 = 28,904.98 : x
2. Step 2: Convert to fraction form
   52,782.92/72,837.72 = 28,904.98/x
3. Step 3: Cross multiply
   52,782.92x = 72,837.72 × 28,904.98
4. Step 4: Simplify right side
   52,782.92x = 2,105,372,839.85
5. Step 5: Solve for x
   x = 2,105,372,839.85/52,782.92
6. Step 6: Final answer
   x = 39,887.39