Finding the Fourth Proportional to 42,789.25, 64,160.38 and 14,693.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,789.25 : 64,160.38 = 14,693.59 : x
2. Step 2: Convert to fraction form
   42,789.25/64,160.38 = 14,693.59/x
3. Step 3: Cross multiply
   42,789.25x = 64,160.38 × 14,693.59
4. Step 4: Simplify right side
   42,789.25x = 942,746,317.96
5. Step 5: Solve for x
   x = 942,746,317.96/42,789.25
6. Step 6: Final answer
   x = 22,032.32