Finding the Fourth Proportional to 90,886.72, 125,414.72 and 67,026.24

Step by Step Solution

1. Step 1: Write the proportion equation
   90,886.72 : 125,414.72 = 67,026.24 : x
2. Step 2: Convert to fraction form
   90,886.72/125,414.72 = 67,026.24/x
3. Step 3: Cross multiply
   90,886.72x = 125,414.72 × 67,026.24
4. Step 4: Simplify right side
   90,886.72x = 8,406,077,122.25
5. Step 5: Solve for x
   x = 8,406,077,122.25/90,886.72
6. Step 6: Final answer
   x = 92,489.61