Finding the Fourth Proportional to 76,931.50, 115,416.72 and 23,626.12

Step by Step Solution

1. Step 1: Write the proportion equation
   76,931.50 : 115,416.72 = 23,626.12 : x
2. Step 2: Convert to fraction form
   76,931.50/115,416.72 = 23,626.12/x
3. Step 3: Cross multiply
   76,931.50x = 115,416.72 × 23,626.12
4. Step 4: Simplify right side
   76,931.50x = 2,726,849,276.73
5. Step 5: Solve for x
   x = 2,726,849,276.73/76,931.50
6. Step 6: Final answer
   x = 35,445.16