Finding the Fourth Proportional to 9,513.20, 14,271.96 and 5,130.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.20 : 14,271.96 = 5,130.56 : x
2. Step 2: Convert to fraction form
   9,513.20/14,271.96 = 5,130.56/x
3. Step 3: Cross multiply
   9,513.20x = 14,271.96 × 5,130.56
4. Step 4: Simplify right side
   9,513.20x = 73,223,075.74
5. Step 5: Solve for x
   x = 73,223,075.74/9,513.20
6. Step 6: Final answer
   x = 7,697.00