Finding the Fourth Proportional to 9,754.68, 13,461.48 and 5,505.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,754.68 : 13,461.48 = 5,505.78 : x
2. Step 2: Convert to fraction form
   9,754.68/13,461.48 = 5,505.78/x
3. Step 3: Cross multiply
   9,754.68x = 13,461.48 × 5,505.78
4. Step 4: Simplify right side
   9,754.68x = 74,115,947.35
5. Step 5: Solve for x
   x = 74,115,947.35/9,754.68
6. Step 6: Final answer
   x = 7,597.99