Finding the Fourth Proportional to 82,921.32, 114,315.48 and 70,123.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,921.32 : 114,315.48 = 70,123.10 : x
2. Step 2: Convert to fraction form
   82,921.32/114,315.48 = 70,123.10/x
3. Step 3: Cross multiply
   82,921.32x = 114,315.48 × 70,123.10
4. Step 4: Simplify right side
   82,921.32x = 8,016,155,835.59
5. Step 5: Solve for x
   x = 8,016,155,835.59/82,921.32
6. Step 6: Final answer
   x = 96,671.83