Finding the Fourth Proportional to 52,248,111.99, 72,103,781.61 and 28,727,640.60

Step by Step Solution

1. Step 1: Write the proportion equation
   52,248,111.99 : 72,103,781.61 = 28,727,640.60 : x
2. Step 2: Convert to fraction form
   52,248,111.99/72,103,781.61 = 28,727,640.60/x
3. Step 3: Cross multiply
   52,248,111.99x = 72,103,781.61 × 28,727,640.60
4. Step 4: Simplify right side
   52,248,111.99x = 2,071,371,523,992,969.50
5. Step 5: Solve for x
   x = 2,071,371,523,992,969.50/52,248,111.99
6. Step 6: Final answer
   x = 39,644,906.68