Finding the Fourth Proportional to 86,108.22, 129,169.71 and 23,778.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,108.22 : 129,169.71 = 23,778.72 : x
2. Step 2: Convert to fraction form
   86,108.22/129,169.71 = 23,778.72/x
3. Step 3: Cross multiply
   86,108.22x = 129,169.71 × 23,778.72
4. Step 4: Simplify right side
   86,108.22x = 3,071,490,366.57
5. Step 5: Solve for x
   x = 3,071,490,366.57/86,108.22
6. Step 6: Final answer
   x = 35,670.12