Finding the Fourth Proportional to 76,022.72, 114,043.12 and 31,679.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,022.72 : 114,043.12 = 31,679.52 : x
2. Step 2: Convert to fraction form
   76,022.72/114,043.12 = 31,679.52/x
3. Step 3: Cross multiply
   76,022.72x = 114,043.12 × 31,679.52
4. Step 4: Simplify right side
   76,022.72x = 3,612,831,300.90
5. Step 5: Solve for x
   x = 3,612,831,300.90/76,022.72
6. Step 6: Final answer
   x = 47,523.05