Finding the Fourth Proportional to 13,034.32, 17,989.78 and 7,445.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,034.32 : 17,989.78 = 7,445.32 : x
2. Step 2: Convert to fraction form
   13,034.32/17,989.78 = 7,445.32/x
3. Step 3: Cross multiply
   13,034.32x = 17,989.78 × 7,445.32
4. Step 4: Simplify right side
   13,034.32x = 133,939,668.83
5. Step 5: Solve for x
   x = 133,939,668.83/13,034.32
6. Step 6: Final answer
   x = 10,275.92