Finding the Fourth Proportional to 19,352.39, 29,061.72 and 11,899.71

Step by Step Solution

1. Step 1: Write the proportion equation
   19,352.39 : 29,061.72 = 11,899.71 : x
2. Step 2: Convert to fraction form
   19,352.39/29,061.72 = 11,899.71/x
3. Step 3: Cross multiply
   19,352.39x = 29,061.72 × 11,899.71
4. Step 4: Simplify right side
   19,352.39x = 345,826,040.10
5. Step 5: Solve for x
   x = 345,826,040.10/19,352.39
6. Step 6: Final answer
   x = 17,869.94