Finding the Fourth Proportional to 78,565.48, 108,408.18 and 45,025

Step by Step Solution

1. Step 1: Write the proportion equation
   78,565.48 : 108,408.18 = 45,025 : x
2. Step 2: Convert to fraction form
   78,565.48/108,408.18 = 45,025/x
3. Step 3: Cross multiply
   78,565.48x = 108,408.18 × 45,025
4. Step 4: Simplify right side
   78,565.48x = 4,881,078,304.50
5. Step 5: Solve for x
   x = 4,881,078,304.50/78,565.48
6. Step 6: Final answer
   x = 62,127.52