Finding the Fourth Proportional to 63,976.41, 88,249.34 and 40,061.57

Step by Step Solution

1. Step 1: Write the proportion equation
   63,976.41 : 88,249.34 = 40,061.57 : x
2. Step 2: Convert to fraction form
   63,976.41/88,249.34 = 40,061.57/x
3. Step 3: Cross multiply
   63,976.41x = 88,249.34 × 40,061.57
4. Step 4: Simplify right side
   63,976.41x = 3,535,406,470.31
5. Step 5: Solve for x
   x = 3,535,406,470.31/63,976.41
6. Step 6: Final answer
   x = 55,261.09