Finding the Fourth Proportional to 42,579,984.48, 63,869,970.18 and 10,231,887.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,579,984.48 : 63,869,970.18 = 10,231,887.39 : x
2. Step 2: Convert to fraction form
   42,579,984.48/63,869,970.18 = 10,231,887.39/x
3. Step 3: Cross multiply
   42,579,984.48x = 63,869,970.18 × 10,231,887.39
4. Step 4: Simplify right side
   42,579,984.48x = 653,510,342,484,418.12
5. Step 5: Solve for x
   x = 653,510,342,484,418.12/42,579,984.48
6. Step 6: Final answer
   x = 15,347,829.51