Finding the Fourth Proportional to 112,819.87, 155,650.17 and 67,499.11

Step by Step Solution

1. Step 1: Write the proportion equation
   112,819.87 : 155,650.17 = 67,499.11 : x
2. Step 2: Convert to fraction form
   112,819.87/155,650.17 = 67,499.11/x
3. Step 3: Cross multiply
   112,819.87x = 155,650.17 × 67,499.11
4. Step 4: Simplify right side
   112,819.87x = 10,506,247,946.35
5. Step 5: Solve for x
   x = 10,506,247,946.35/112,819.87
6. Step 6: Final answer
   x = 93,124.09