Finding the Fourth Proportional to 42,459.93, 63,685.98 and 14,376.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,459.93 : 63,685.98 = 14,376.76 : x
2. Step 2: Convert to fraction form
   42,459.93/63,685.98 = 14,376.76/x
3. Step 3: Cross multiply
   42,459.93x = 63,685.98 × 14,376.76
4. Step 4: Simplify right side
   42,459.93x = 915,597,890.61
5. Step 5: Solve for x
   x = 915,597,890.61/42,459.93
6. Step 6: Final answer
   x = 21,563.81