Finding the Fourth Proportional to 42,704,810.24, 64,059,131.52 and 13,952,697.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,704,810.24 : 64,059,131.52 = 13,952,697.60 : x
2. Step 2: Convert to fraction form
   42,704,810.24/64,059,131.52 = 13,952,697.60/x
3. Step 3: Cross multiply
   42,704,810.24x = 64,059,131.52 × 13,952,697.60
4. Step 4: Simplify right side
   42,704,810.24x = 893,797,690,617,188.38
5. Step 5: Solve for x
   x = 893,797,690,617,188.38/42,704,810.24
6. Step 6: Final answer
   x = 20,929,672.46