Finding the Fourth Proportional to 9,525.79, 13,145.79 and 5,547.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,525.79 : 13,145.79 = 5,547.07 : x
2. Step 2: Convert to fraction form
   9,525.79/13,145.79 = 5,547.07/x
3. Step 3: Cross multiply
   9,525.79x = 13,145.79 × 5,547.07
4. Step 4: Simplify right side
   9,525.79x = 72,920,617.34
5. Step 5: Solve for x
   x = 72,920,617.34/9,525.79
6. Step 6: Final answer
   x = 7,655.07