Finding the Fourth Proportional to 76,471.08, 114,744.16 and 34,380.86

Step by Step Solution

1. Step 1: Write the proportion equation
   76,471.08 : 114,744.16 = 34,380.86 : x
2. Step 2: Convert to fraction form
   76,471.08/114,744.16 = 34,380.86/x
3. Step 3: Cross multiply
   76,471.08x = 114,744.16 × 34,380.86
4. Step 4: Simplify right side
   76,471.08x = 3,945,002,900.78
5. Step 5: Solve for x
   x = 3,945,002,900.78/76,471.08
6. Step 6: Final answer
   x = 51,588.17