Finding the Fourth Proportional to 52,281,669.37, 72,148,304.76 and 28,759,699.61

Step by Step Solution

1. Step 1: Write the proportion equation
   52,281,669.37 : 72,148,304.76 = 28,759,699.61 : x
2. Step 2: Convert to fraction form
   52,281,669.37/72,148,304.76 = 28,759,699.61/x
3. Step 3: Cross multiply
   52,281,669.37x = 72,148,304.76 × 28,759,699.61
4. Step 4: Simplify right side
   52,281,669.37x = 2,074,963,572,268,333.25
5. Step 5: Solve for x
   x = 2,074,963,572,268,333.25/52,281,669.37
6. Step 6: Final answer
   x = 39,688,165.99