Finding the Fourth Proportional to 42,849,621.12, 59,150,572.71 and 28,929,832.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,849,621.12 : 59,150,572.71 = 28,929,832.37 : x
2. Step 2: Convert to fraction form
   42,849,621.12/59,150,572.71 = 28,929,832.37/x
3. Step 3: Cross multiply
   42,849,621.12x = 59,150,572.71 × 28,929,832.37
4. Step 4: Simplify right side
   42,849,621.12x = 1,711,216,153,321,531
5. Step 5: Solve for x
   x = 1,711,216,153,321,531/42,849,621.12
6. Step 6: Final answer
   x = 39,935,385.86