Finding the Fourth Proportional to 13,393.04, 18,482.58 and 7,424.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,393.04 : 18,482.58 = 7,424.55 : x
2. Step 2: Convert to fraction form
   13,393.04/18,482.58 = 7,424.55/x
3. Step 3: Cross multiply
   13,393.04x = 18,482.58 × 7,424.55
4. Step 4: Simplify right side
   13,393.04x = 137,224,839.34
5. Step 5: Solve for x
   x = 137,224,839.34/13,393.04
6. Step 6: Final answer
   x = 10,245.99