Finding the Fourth Proportional to 112,890.85, 155,773.94 and 67,558.25

Step by Step Solution

1. Step 1: Write the proportion equation
   112,890.85 : 155,773.94 = 67,558.25 : x
2. Step 2: Convert to fraction form
   112,890.85/155,773.94 = 67,558.25/x
3. Step 3: Cross multiply
   112,890.85x = 155,773.94 × 67,558.25
4. Step 4: Simplify right side
   112,890.85x = 10,523,814,833.65
5. Step 5: Solve for x
   x = 10,523,814,833.65/112,890.85
6. Step 6: Final answer
   x = 93,221.15