Finding the Fourth Proportional to 82,790.76, 114,251.24 and 45,065

Step by Step Solution

1. Step 1: Write the proportion equation
   82,790.76 : 114,251.24 = 45,065 : x
2. Step 2: Convert to fraction form
   82,790.76/114,251.24 = 45,065/x
3. Step 3: Cross multiply
   82,790.76x = 114,251.24 × 45,065
4. Step 4: Simplify right side
   82,790.76x = 5,148,732,130.60
5. Step 5: Solve for x
   x = 5,148,732,130.60/82,790.76
6. Step 6: Final answer
   x = 62,189.70