Finding the Fourth Proportional to 19,561.68, 29,329.54 and 7,080.07

Step by Step Solution

1. Step 1: Write the proportion equation
   19,561.68 : 29,329.54 = 7,080.07 : x
2. Step 2: Convert to fraction form
   19,561.68/29,329.54 = 7,080.07/x
3. Step 3: Cross multiply
   19,561.68x = 29,329.54 × 7,080.07
4. Step 4: Simplify right side
   19,561.68x = 207,655,196.27
5. Step 5: Solve for x
   x = 207,655,196.27/19,561.68
6. Step 6: Final answer
   x = 10,615.41