Finding the Fourth Proportional to 9,388.53, 14,066.98 and 5,679.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,388.53 : 14,066.98 = 5,679.48 : x
2. Step 2: Convert to fraction form
   9,388.53/14,066.98 = 5,679.48/x
3. Step 3: Cross multiply
   9,388.53x = 14,066.98 × 5,679.48
4. Step 4: Simplify right side
   9,388.53x = 79,893,131.57
5. Step 5: Solve for x
   x = 79,893,131.57/9,388.53
6. Step 6: Final answer
   x = 8,509.65