Finding the Fourth Proportional to 112,813.59, 155,641.53 and 67,492.86

Step by Step Solution

1. Step 1: Write the proportion equation
   112,813.59 : 155,641.53 = 67,492.86 : x
2. Step 2: Convert to fraction form
   112,813.59/155,641.53 = 67,492.86/x
3. Step 3: Cross multiply
   112,813.59x = 155,641.53 × 67,492.86
4. Step 4: Simplify right side
   112,813.59x = 10,504,691,994.48
5. Step 5: Solve for x
   x = 10,504,691,994.48/112,813.59
6. Step 6: Final answer
   x = 93,115.48