Finding the Fourth Proportional to 9,478.80, 13,083.16 and 5,654.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,478.80 : 13,083.16 = 5,654.56 : x
2. Step 2: Convert to fraction form
   9,478.80/13,083.16 = 5,654.56/x
3. Step 3: Cross multiply
   9,478.80x = 13,083.16 × 5,654.56
4. Step 4: Simplify right side
   9,478.80x = 73,979,513.21
5. Step 5: Solve for x
   x = 73,979,513.21/9,478.80
6. Step 6: Final answer
   x = 7,804.73