Finding the Fourth Proportional to 82,814.28, 114,283.35 and 45,087.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,814.28 : 114,283.35 = 45,087.72 : x
2. Step 2: Convert to fraction form
   82,814.28/114,283.35 = 45,087.72/x
3. Step 3: Cross multiply
   82,814.28x = 114,283.35 × 45,087.72
4. Step 4: Simplify right side
   82,814.28x = 5,152,775,685.46
5. Step 5: Solve for x
   x = 5,152,775,685.46/82,814.28
6. Step 6: Final answer
   x = 62,220.86