Finding the Fourth Proportional to 65,148.56, 89,904.84 and 35,340.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,148.56 : 89,904.84 = 35,340.56 : x
2. Step 2: Convert to fraction form
   65,148.56/89,904.84 = 35,340.56/x
3. Step 3: Cross multiply
   65,148.56x = 89,904.84 × 35,340.56
4. Step 4: Simplify right side
   65,148.56x = 3,177,287,392.31
5. Step 5: Solve for x
   x = 3,177,287,392.31/65,148.56
6. Step 6: Final answer
   x = 48,769.88