Finding the Fourth Proportional to 86,061.22, 129,142.35 and 36,137.48

Step by Step Solution

1. Step 1: Write the proportion equation
   86,061.22 : 129,142.35 = 36,137.48 : x
2. Step 2: Convert to fraction form
   86,061.22/129,142.35 = 36,137.48/x
3. Step 3: Cross multiply
   86,061.22x = 129,142.35 × 36,137.48
4. Step 4: Simplify right side
   86,061.22x = 4,666,878,444.57
5. Step 5: Solve for x
   x = 4,666,878,444.57/86,061.22
6. Step 6: Final answer
   x = 54,227.43