Finding the Fourth Proportional to 13,294.56, 19,899.72 and 7,433.40

Step by Step Solution

1. Step 1: Write the proportion equation
   13,294.56 : 19,899.72 = 7,433.40 : x
2. Step 2: Convert to fraction form
   13,294.56/19,899.72 = 7,433.40/x
3. Step 3: Cross multiply
   13,294.56x = 19,899.72 × 7,433.40
4. Step 4: Simplify right side
   13,294.56x = 147,922,578.65
5. Step 5: Solve for x
   x = 147,922,578.65/13,294.56
6. Step 6: Final answer
   x = 11,126.55