Finding the Fourth Proportional to 11,339.84, 17,011.52 and 5,790.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,339.84 : 17,011.52 = 5,790.18 : x
2. Step 2: Convert to fraction form
   11,339.84/17,011.52 = 5,790.18/x
3. Step 3: Cross multiply
   11,339.84x = 17,011.52 × 5,790.18
4. Step 4: Simplify right side
   11,339.84x = 98,499,762.87
5. Step 5: Solve for x
   x = 98,499,762.87/11,339.84
6. Step 6: Final answer
   x = 8,686.17