Finding the Fourth Proportional to 82,492.42, 113,780.71 and 75,708.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,492.42 : 113,780.71 = 75,708.30 : x
2. Step 2: Convert to fraction form
   82,492.42/113,780.71 = 75,708.30/x
3. Step 3: Cross multiply
   82,492.42x = 113,780.71 × 75,708.30
4. Step 4: Simplify right side
   82,492.42x = 8,614,143,475.25
5. Step 5: Solve for x
   x = 8,614,143,475.25/82,492.42
6. Step 6: Final answer
   x = 104,423.46