Finding the Fourth Proportional to 11,839.32, 17,752.76 and 3,518.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,839.32 : 17,752.76 = 3,518.18 : x
2. Step 2: Convert to fraction form
   11,839.32/17,752.76 = 3,518.18/x
3. Step 3: Cross multiply
   11,839.32x = 17,752.76 × 3,518.18
4. Step 4: Simplify right side
   11,839.32x = 62,457,405.18
5. Step 5: Solve for x
   x = 62,457,405.18/11,839.32
6. Step 6: Final answer
   x = 5,275.42