Finding the Fourth Proportional to 82,503.90, 123,537.15 and 65,007.90

Step by Step Solution

1. Step 1: Write the proportion equation
   82,503.90 : 123,537.15 = 65,007.90 : x
2. Step 2: Convert to fraction form
   82,503.90/123,537.15 = 65,007.90/x
3. Step 3: Cross multiply
   82,503.90x = 123,537.15 × 65,007.90
4. Step 4: Simplify right side
   82,503.90x = 8,030,890,693.49
5. Step 5: Solve for x
   x = 8,030,890,693.49/82,503.90
6. Step 6: Final answer
   x = 97,339.53