Finding the Fourth Proportional to 42,066.72, 63,107.52 and 14,358.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,066.72 : 63,107.52 = 14,358.24 : x
2. Step 2: Convert to fraction form
   42,066.72/63,107.52 = 14,358.24/x
3. Step 3: Cross multiply
   42,066.72x = 63,107.52 × 14,358.24
4. Step 4: Simplify right side
   42,066.72x = 906,112,917.96
5. Step 5: Solve for x
   x = 906,112,917.96/42,066.72
6. Step 6: Final answer
   x = 21,539.90