Finding the Fourth Proportional to 63,061.82, 86,976.07 and 40,402.91

Step by Step Solution

1. Step 1: Write the proportion equation
   63,061.82 : 86,976.07 = 40,402.91 : x
2. Step 2: Convert to fraction form
   63,061.82/86,976.07 = 40,402.91/x
3. Step 3: Cross multiply
   63,061.82x = 86,976.07 × 40,402.91
4. Step 4: Simplify right side
   63,061.82x = 3,514,086,328.36
5. Step 5: Solve for x
   x = 3,514,086,328.36/63,061.82
6. Step 6: Final answer
   x = 55,724.47