Finding the Fourth Proportional to 9,475.79, 13,079.48 and 5,498.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,475.79 : 13,079.48 = 5,498.48 : x
2. Step 2: Convert to fraction form
   9,475.79/13,079.48 = 5,498.48/x
3. Step 3: Cross multiply
   9,475.79x = 13,079.48 × 5,498.48
4. Step 4: Simplify right side
   9,475.79x = 71,917,264.40
5. Step 5: Solve for x
   x = 71,917,264.40/9,475.79
6. Step 6: Final answer
   x = 7,589.58