Finding the Fourth Proportional to 12,083.06, 18,111.63 and 5,061.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,083.06 : 18,111.63 = 5,061.31 : x
2. Step 2: Convert to fraction form
   12,083.06/18,111.63 = 5,061.31/x
3. Step 3: Cross multiply
   12,083.06x = 18,111.63 × 5,061.31
4. Step 4: Simplify right side
   12,083.06x = 91,668,547.74
5. Step 5: Solve for x
   x = 91,668,547.74/12,083.06
6. Step 6: Final answer
   x = 7,586.53