Finding the Fourth Proportional to 19,613.54, 29,397.49 and 9,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   19,613.54 : 29,397.49 = 9,061.40 : x
2. Step 2: Convert to fraction form
   19,613.54/29,397.49 = 9,061.40/x
3. Step 3: Cross multiply
   19,613.54x = 29,397.49 × 9,061.40
4. Step 4: Simplify right side
   19,613.54x = 266,382,415.89
5. Step 5: Solve for x
   x = 266,382,415.89/19,613.54
6. Step 6: Final answer
   x = 13,581.56