Finding the Fourth Proportional to 13,323.38, 19,997.17 and 7,088.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,323.38 : 19,997.17 = 7,088.60 : x
2. Step 2: Convert to fraction form
   13,323.38/19,997.17 = 7,088.60/x
3. Step 3: Cross multiply
   13,323.38x = 19,997.17 × 7,088.60
4. Step 4: Simplify right side
   13,323.38x = 141,751,903.82
5. Step 5: Solve for x
   x = 141,751,903.82/13,323.38
6. Step 6: Final answer
   x = 10,639.34