Finding the Fourth Proportional to 78,605.48, 108,463.34 and 45,065

Step by Step Solution

1. Step 1: Write the proportion equation
   78,605.48 : 108,463.34 = 45,065 : x
2. Step 2: Convert to fraction form
   78,605.48/108,463.34 = 45,065/x
3. Step 3: Cross multiply
   78,605.48x = 108,463.34 × 45,065
4. Step 4: Simplify right side
   78,605.48x = 4,887,900,417.10
5. Step 5: Solve for x
   x = 4,887,900,417.10/78,605.48
6. Step 6: Final answer
   x = 62,182.69