Finding the Fourth Proportional to 82,870.08, 114,359.68 and 45,143.52

Step by Step Solution

1. Step 1: Write the proportion equation
   82,870.08 : 114,359.68 = 45,143.52 : x
2. Step 2: Convert to fraction form
   82,870.08/114,359.68 = 45,143.52/x
3. Step 3: Cross multiply
   82,870.08x = 114,359.68 × 45,143.52
4. Step 4: Simplify right side
   82,870.08x = 5,162,598,501.27
5. Step 5: Solve for x
   x = 5,162,598,501.27/82,870.08
6. Step 6: Final answer
   x = 62,297.50