Finding the Fourth Proportional to 9,620.52, 13,275.69 and 5,371.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,620.52 : 13,275.69 = 5,371.98 : x
2. Step 2: Convert to fraction form
   9,620.52/13,275.69 = 5,371.98/x
3. Step 3: Cross multiply
   9,620.52x = 13,275.69 × 5,371.98
4. Step 4: Simplify right side
   9,620.52x = 71,316,741.17
5. Step 5: Solve for x
   x = 71,316,741.17/9,620.52
6. Step 6: Final answer
   x = 7,412.98