Finding the Fourth Proportional to 82,942.32, 114,485.52 and 78,710.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,942.32 : 114,485.52 = 78,710.88 : x
2. Step 2: Convert to fraction form
   82,942.32/114,485.52 = 78,710.88/x
3. Step 3: Cross multiply
   82,942.32x = 114,485.52 × 78,710.88
4. Step 4: Simplify right side
   82,942.32x = 9,011,256,026.46
5. Step 5: Solve for x
   x = 9,011,256,026.46/82,942.32
6. Step 6: Final answer
   x = 108,644.85