Finding the Fourth Proportional to 11,889.90, 17,834.94 and 3,569.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,889.90 : 17,834.94 = 3,569.98 : x
2. Step 2: Convert to fraction form
   11,889.90/17,834.94 = 3,569.98/x
3. Step 3: Cross multiply
   11,889.90x = 17,834.94 × 3,569.98
4. Step 4: Simplify right side
   11,889.90x = 63,670,379.10
5. Step 5: Solve for x
   x = 63,670,379.10/11,889.90
6. Step 6: Final answer
   x = 5,355.00