Finding the Fourth Proportional to 64,612.16, 89,105.60 and 41,927.68

Step by Step Solution

1. Step 1: Write the proportion equation
   64,612.16 : 89,105.60 = 41,927.68 : x
2. Step 2: Convert to fraction form
   64,612.16/89,105.60 = 41,927.68/x
3. Step 3: Cross multiply
   64,612.16x = 89,105.60 × 41,927.68
4. Step 4: Simplify right side
   64,612.16x = 3,735,991,083.01
5. Step 5: Solve for x
   x = 3,735,991,083.01/64,612.16
6. Step 6: Final answer
   x = 57,821.80