Finding the Fourth Proportional to 9,514.04, 13,128.90 and 5,321.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,514.04 : 13,128.90 = 5,321.48 : x
2. Step 2: Convert to fraction form
   9,514.04/13,128.90 = 5,321.48/x
3. Step 3: Cross multiply
   9,514.04x = 13,128.90 × 5,321.48
4. Step 4: Simplify right side
   9,514.04x = 69,865,178.77
5. Step 5: Solve for x
   x = 69,865,178.77/9,514.04
6. Step 6: Final answer
   x = 7,343.38