Finding the Fourth Proportional to 42,869.97, 64,308.02 and 14,789.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,869.97 : 64,308.02 = 14,789.61 : x
2. Step 2: Convert to fraction form
   42,869.97/64,308.02 = 14,789.61/x
3. Step 3: Cross multiply
   42,869.97x = 64,308.02 × 14,789.61
4. Step 4: Simplify right side
   42,869.97x = 951,090,461.72
5. Step 5: Solve for x
   x = 951,090,461.72/42,869.97
6. Step 6: Final answer
   x = 22,185.47