Finding the Fourth Proportional to 89,915.33, 124,081.27 and 49,078.11

Step by Step Solution

1. Step 1: Write the proportion equation
   89,915.33 : 124,081.27 = 49,078.11 : x
2. Step 2: Convert to fraction form
   89,915.33/124,081.27 = 49,078.11/x
3. Step 3: Cross multiply
   89,915.33x = 124,081.27 × 49,078.11
4. Step 4: Simplify right side
   89,915.33x = 6,089,674,095.30
5. Step 5: Solve for x
   x = 6,089,674,095.30/89,915.33
6. Step 6: Final answer
   x = 67,726.76