Finding the Fourth Proportional to 90,094.78, 124,321.27 and 49,802.05

Step by Step Solution

1. Step 1: Write the proportion equation
   90,094.78 : 124,321.27 = 49,802.05 : x
2. Step 2: Convert to fraction form
   90,094.78/124,321.27 = 49,802.05/x
3. Step 3: Cross multiply
   90,094.78x = 124,321.27 × 49,802.05
4. Step 4: Simplify right side
   90,094.78x = 6,191,454,104.60
5. Step 5: Solve for x
   x = 6,191,454,104.60/90,094.78
6. Step 6: Final answer
   x = 68,721.56