Finding the Fourth Proportional to 9,960.91, 13,746.15 and 5,484.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,960.91 : 13,746.15 = 5,484.75 : x
2. Step 2: Convert to fraction form
   9,960.91/13,746.15 = 5,484.75/x
3. Step 3: Cross multiply
   9,960.91x = 13,746.15 × 5,484.75
4. Step 4: Simplify right side
   9,960.91x = 75,394,196.21
5. Step 5: Solve for x
   x = 75,394,196.21/9,960.91
6. Step 6: Final answer
   x = 7,569.01