Finding the Fourth Proportional to 63,945.89, 88,179.98 and 42,428.10

Step by Step Solution

1. Step 1: Write the proportion equation
   63,945.89 : 88,179.98 = 42,428.10 : x
2. Step 2: Convert to fraction form
   63,945.89/88,179.98 = 42,428.10/x
3. Step 3: Cross multiply
   63,945.89x = 88,179.98 × 42,428.10
4. Step 4: Simplify right side
   63,945.89x = 3,741,309,127.97
5. Step 5: Solve for x
   x = 3,741,309,127.97/63,945.89
6. Step 6: Final answer
   x = 58,507.42