Finding the Fourth Proportional to 86,151.89, 129,213.26 and 23,807.81

Step by Step Solution

1. Step 1: Write the proportion equation
   86,151.89 : 129,213.26 = 23,807.81 : x
2. Step 2: Convert to fraction form
   86,151.89/129,213.26 = 23,807.81/x
3. Step 3: Cross multiply
   86,151.89x = 129,213.26 × 23,807.81
4. Step 4: Simplify right side
   86,151.89x = 3,076,284,947.55
5. Step 5: Solve for x
   x = 3,076,284,947.55/86,151.89
6. Step 6: Final answer
   x = 35,707.69