Finding the Fourth Proportional to 52,257.91, 72,114.72 and 28,384.08

Step by Step Solution

1. Step 1: Write the proportion equation
   52,257.91 : 72,114.72 = 28,384.08 : x
2. Step 2: Convert to fraction form
   52,257.91/72,114.72 = 28,384.08/x
3. Step 3: Cross multiply
   52,257.91x = 72,114.72 × 28,384.08
4. Step 4: Simplify right side
   52,257.91x = 2,046,909,981.66
5. Step 5: Solve for x
   x = 2,046,909,981.66/52,257.91
6. Step 6: Final answer
   x = 39,169.38