Finding the Fourth Proportional to 9,637.31, 13,299.32 and 5,445.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,637.31 : 13,299.32 = 5,445.47 : x
2. Step 2: Convert to fraction form
   9,637.31/13,299.32 = 5,445.47/x
3. Step 3: Cross multiply
   9,637.31x = 13,299.32 × 5,445.47
4. Step 4: Simplify right side
   9,637.31x = 72,421,020.85
5. Step 5: Solve for x
   x = 72,421,020.85/9,637.31
6. Step 6: Final answer
   x = 7,514.65