Finding the Fourth Proportional to 78,160.84, 107,899.15 and 52,363.81

Step by Step Solution

1. Step 1: Write the proportion equation
   78,160.84 : 107,899.15 = 52,363.81 : x
2. Step 2: Convert to fraction form
   78,160.84/107,899.15 = 52,363.81/x
3. Step 3: Cross multiply
   78,160.84x = 107,899.15 × 52,363.81
4. Step 4: Simplify right side
   78,160.84x = 5,650,010,385.47
5. Step 5: Solve for x
   x = 5,650,010,385.47/78,160.84
6. Step 6: Final answer
   x = 72,286.97