Finding the Fourth Proportional to 42,459.98, 63,684.93 and 14,379.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,459.98 : 63,684.93 = 14,379.98 : x
2. Step 2: Convert to fraction form
   42,459.98/63,684.93 = 14,379.98/x
3. Step 3: Cross multiply
   42,459.98x = 63,684.93 × 14,379.98
4. Step 4: Simplify right side
   42,459.98x = 915,788,019.70
5. Step 5: Solve for x
   x = 915,788,019.70/42,459.98
6. Step 6: Final answer
   x = 21,568.26