Finding the Fourth Proportional to 63,895.48, 88,150.62 and 42,688.60

Step by Step Solution

1. Step 1: Write the proportion equation
   63,895.48 : 88,150.62 = 42,688.60 : x
2. Step 2: Convert to fraction form
   63,895.48/88,150.62 = 42,688.60/x
3. Step 3: Cross multiply
   63,895.48x = 88,150.62 × 42,688.60
4. Step 4: Simplify right side
   63,895.48x = 3,763,026,556.93
5. Step 5: Solve for x
   x = 3,763,026,556.93/63,895.48
6. Step 6: Final answer
   x = 58,893.47