Finding the Fourth Proportional to 64,425.25, 88,945.73 and 42,108.13

Step by Step Solution

1. Step 1: Write the proportion equation
   64,425.25 : 88,945.73 = 42,108.13 : x
2. Step 2: Convert to fraction form
   64,425.25/88,945.73 = 42,108.13/x
3. Step 3: Cross multiply
   64,425.25x = 88,945.73 × 42,108.13
4. Step 4: Simplify right side
   64,425.25x = 3,745,338,361.78
5. Step 5: Solve for x
   x = 3,745,338,361.78/64,425.25
6. Step 6: Final answer
   x = 58,134.63