Finding the Fourth Proportional to 89,362.22, 134,003.94 and 41,990.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,362.22 : 134,003.94 = 41,990.78 : x
2. Step 2: Convert to fraction form
   89,362.22/134,003.94 = 41,990.78/x
3. Step 3: Cross multiply
   89,362.22x = 134,003.94 × 41,990.78
4. Step 4: Simplify right side
   89,362.22x = 5,626,929,963.67
5. Step 5: Solve for x
   x = 5,626,929,963.67/89,362.22
6. Step 6: Final answer
   x = 62,967.66