Finding the Fourth Proportional to 42,355.98, 63,521.01 and 14,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,355.98 : 63,521.01 = 14,647.50 : x
2. Step 2: Convert to fraction form
   42,355.98/63,521.01 = 14,647.50/x
3. Step 3: Cross multiply
   42,355.98x = 63,521.01 × 14,647.50
4. Step 4: Simplify right side
   42,355.98x = 930,423,993.98
5. Step 5: Solve for x
   x = 930,423,993.98/42,355.98
6. Step 6: Final answer
   x = 21,966.77