Finding the Fourth Proportional to 82,720.46, 114,174.51 and 46,931.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,720.46 : 114,174.51 = 46,931.42 : x
2. Step 2: Convert to fraction form
   82,720.46/114,174.51 = 46,931.42/x
3. Step 3: Cross multiply
   82,720.46x = 114,174.51 × 46,931.42
4. Step 4: Simplify right side
   82,720.46x = 5,358,371,882.10
5. Step 5: Solve for x
   x = 5,358,371,882.10/82,720.46
6. Step 6: Final answer
   x = 64,776.86