Finding the Fourth Proportional to 78,160.18, 107,898.24 and 52,363.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,160.18 : 107,898.24 = 52,363.15 : x
2. Step 2: Convert to fraction form
   78,160.18/107,898.24 = 52,363.15/x
3. Step 3: Cross multiply
   78,160.18x = 107,898.24 × 52,363.15
4. Step 4: Simplify right side
   78,160.18x = 5,649,891,955.94
5. Step 5: Solve for x
   x = 5,649,891,955.94/78,160.18
6. Step 6: Final answer
   x = 72,286.06