Finding the Fourth Proportional to 9,525.98, 13,145.56 and 5,276.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,525.98 : 13,145.56 = 5,276.87 : x
2. Step 2: Convert to fraction form
   9,525.98/13,145.56 = 5,276.87/x
3. Step 3: Cross multiply
   9,525.98x = 13,145.56 × 5,276.87
4. Step 4: Simplify right side
   9,525.98x = 69,367,384.81
5. Step 5: Solve for x
   x = 69,367,384.81/9,525.98
6. Step 6: Final answer
   x = 7,281.92