Finding the Fourth Proportional to 82,858.56, 114,344.64 and 45,132.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,858.56 : 114,344.64 = 45,132.72 : x
2. Step 2: Convert to fraction form
   82,858.56/114,344.64 = 45,132.72/x
3. Step 3: Cross multiply
   82,858.56x = 114,344.64 × 45,132.72
4. Step 4: Simplify right side
   82,858.56x = 5,160,684,620.62
5. Step 5: Solve for x
   x = 5,160,684,620.62/82,858.56
6. Step 6: Final answer
   x = 62,283.06