Finding the Fourth Proportional to 9,428.99, 13,014.34 and 5,449.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,428.99 : 13,014.34 = 5,449.52 : x
2. Step 2: Convert to fraction form
   9,428.99/13,014.34 = 5,449.52/x
3. Step 3: Cross multiply
   9,428.99x = 13,014.34 × 5,449.52
4. Step 4: Simplify right side
   9,428.99x = 70,921,925.03
5. Step 5: Solve for x
   x = 70,921,925.03/9,428.99
6. Step 6: Final answer
   x = 7,521.69