Finding the Fourth Proportional to 112,684.74, 155,494.17 and 67,353.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,684.74 : 155,494.17 = 67,353.72 : x
2. Step 2: Convert to fraction form
   112,684.74/155,494.17 = 67,353.72/x
3. Step 3: Cross multiply
   112,684.74x = 155,494.17 × 67,353.72
4. Step 4: Simplify right side
   112,684.74x = 10,473,110,787.81
5. Step 5: Solve for x
   x = 10,473,110,787.81/112,684.74
6. Step 6: Final answer
   x = 92,941.70