Finding the Fourth Proportional to 11,017.09, 15,203.59 and 5,981.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.09 : 15,203.59 = 5,981.31 : x
2. Step 2: Convert to fraction form
   11,017.09/15,203.59 = 5,981.31/x
3. Step 3: Cross multiply
   11,017.09x = 15,203.59 × 5,981.31
4. Step 4: Simplify right side
   11,017.09x = 90,937,386.77
5. Step 5: Solve for x
   x = 90,937,386.77/11,017.09
6. Step 6: Final answer
   x = 8,254.21