Finding the Fourth Proportional to 144,468.66, 216,789.12 and 64,500.42

Step by Step Solution

1. Step 1: Write the proportion equation
   144,468.66 : 216,789.12 = 64,500.42 : x
2. Step 2: Convert to fraction form
   144,468.66/216,789.12 = 64,500.42/x
3. Step 3: Cross multiply
   144,468.66x = 216,789.12 × 64,500.42
4. Step 4: Simplify right side
   144,468.66x = 13,982,989,291.43
5. Step 5: Solve for x
   x = 13,982,989,291.43/144,468.66
6. Step 6: Final answer
   x = 96,789.08