Finding the Fourth Proportional to 42,160.79, 63,233.89 and 14,458.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,160.79 : 63,233.89 = 14,458.79 : x
2. Step 2: Convert to fraction form
   42,160.79/63,233.89 = 14,458.79/x
3. Step 3: Cross multiply
   42,160.79x = 63,233.89 × 14,458.79
4. Step 4: Simplify right side
   42,160.79x = 914,285,536.39
5. Step 5: Solve for x
   x = 914,285,536.39/42,160.79
6. Step 6: Final answer
   x = 21,685.68