Finding the Fourth Proportional to 43,618.72, 65,724.86 and 35,894.48

Step by Step Solution

1. Step 1: Write the proportion equation
   43,618.72 : 65,724.86 = 35,894.48 : x
2. Step 2: Convert to fraction form
   43,618.72/65,724.86 = 35,894.48/x
3. Step 3: Cross multiply
   43,618.72x = 65,724.86 × 35,894.48
4. Step 4: Simplify right side
   43,618.72x = 2,359,159,672.77
5. Step 5: Solve for x
   x = 2,359,159,672.77/43,618.72
6. Step 6: Final answer
   x = 54,085.94