Finding the Fourth Proportional to 90,156.35, 124,414.23 and 49,870.08

Step by Step Solution

1. Step 1: Write the proportion equation
   90,156.35 : 124,414.23 = 49,870.08 : x
2. Step 2: Convert to fraction form
   90,156.35/124,414.23 = 49,870.08/x
3. Step 3: Cross multiply
   90,156.35x = 124,414.23 × 49,870.08
4. Step 4: Simplify right side
   90,156.35x = 6,204,547,353.89
5. Step 5: Solve for x
   x = 6,204,547,353.89/90,156.35
6. Step 6: Final answer
   x = 68,819.86