Finding the Fourth Proportional to 42,401.47, 63,631.37 and 14,699.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,401.47 : 63,631.37 = 14,699.47 : x
2. Step 2: Convert to fraction form
   42,401.47/63,631.37 = 14,699.47/x
3. Step 3: Cross multiply
   42,401.47x = 63,631.37 × 14,699.47
4. Step 4: Simplify right side
   42,401.47x = 935,347,340.88
5. Step 5: Solve for x
   x = 935,347,340.88/42,401.47
6. Step 6: Final answer
   x = 22,059.31