Finding the Fourth Proportional to 9,637.72, 13,300.04 and 5,388.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,637.72 : 13,300.04 = 5,388.92 : x
2. Step 2: Convert to fraction form
   9,637.72/13,300.04 = 5,388.92/x
3. Step 3: Cross multiply
   9,637.72x = 13,300.04 × 5,388.92
4. Step 4: Simplify right side
   9,637.72x = 71,672,851.56
5. Step 5: Solve for x
   x = 71,672,851.56/9,637.72
6. Step 6: Final answer
   x = 7,436.70