Finding the Fourth Proportional to 9,510.72, 13,124.70 and 5,319

Step by Step Solution

1. Step 1: Write the proportion equation
   9,510.72 : 13,124.70 = 5,319 : x
2. Step 2: Convert to fraction form
   9,510.72/13,124.70 = 5,319/x
3. Step 3: Cross multiply
   9,510.72x = 13,124.70 × 5,319
4. Step 4: Simplify right side
   9,510.72x = 69,810,279.30
5. Step 5: Solve for x
   x = 69,810,279.30/9,510.72
6. Step 6: Final answer
   x = 7,340.17