Finding the Fourth Proportional to 86,462.96, 129,683.52 and 23,288.12

Step by Step Solution

1. Step 1: Write the proportion equation
   86,462.96 : 129,683.52 = 23,288.12 : x
2. Step 2: Convert to fraction form
   86,462.96/129,683.52 = 23,288.12/x
3. Step 3: Cross multiply
   86,462.96x = 129,683.52 × 23,288.12
4. Step 4: Simplify right side
   86,462.96x = 3,020,085,375.78
5. Step 5: Solve for x
   x = 3,020,085,375.78/86,462.96
6. Step 6: Final answer
   x = 34,929.24