Finding the Fourth Proportional to 112,492.55, 155,242.17 and 67,162.08

Step by Step Solution

1. Step 1: Write the proportion equation
   112,492.55 : 155,242.17 = 67,162.08 : x
2. Step 2: Convert to fraction form
   112,492.55/155,242.17 = 67,162.08/x
3. Step 3: Cross multiply
   112,492.55x = 155,242.17 × 67,162.08
4. Step 4: Simplify right side
   112,492.55x = 10,426,387,040.91
5. Step 5: Solve for x
   x = 10,426,387,040.91/112,492.55
6. Step 6: Final answer
   x = 92,685.14