Finding the Fourth Proportional to 64,367.78, 88,830.59 and 40,183.07

Step by Step Solution

1. Step 1: Write the proportion equation
   64,367.78 : 88,830.59 = 40,183.07 : x
2. Step 2: Convert to fraction form
   64,367.78/88,830.59 = 40,183.07/x
3. Step 3: Cross multiply
   64,367.78x = 88,830.59 × 40,183.07
4. Step 4: Simplify right side
   64,367.78x = 3,569,485,171.04
5. Step 5: Solve for x
   x = 3,569,485,171.04/64,367.78
6. Step 6: Final answer
   x = 55,454.54