Finding the Fourth Proportional to 82,866.56, 114,355.68 and 45,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,866.56 : 114,355.68 = 45,140.72 : x
2. Step 2: Convert to fraction form
   82,866.56/114,355.68 = 45,140.72/x
3. Step 3: Cross multiply
   82,866.56x = 114,355.68 × 45,140.72
4. Step 4: Simplify right side
   82,866.56x = 5,162,097,731.29
5. Step 5: Solve for x
   x = 5,162,097,731.29/82,866.56
6. Step 6: Final answer
   x = 62,294.10