Finding the Fourth Proportional to 115,499.84, 159,432.16 and 67,793.20

Step by Step Solution

1. Step 1: Write the proportion equation
   115,499.84 : 159,432.16 = 67,793.20 : x
2. Step 2: Convert to fraction form
   115,499.84/159,432.16 = 67,793.20/x
3. Step 3: Cross multiply
   115,499.84x = 159,432.16 × 67,793.20
4. Step 4: Simplify right side
   115,499.84x = 10,808,416,309.31
5. Step 5: Solve for x
   x = 10,808,416,309.31/115,499.84
6. Step 6: Final answer
   x = 93,579.49