Finding the Fourth Proportional to 11,860.16, 17,792.78 and 3,540.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,860.16 : 17,792.78 = 3,540.83 : x
2. Step 2: Convert to fraction form
   11,860.16/17,792.78 = 3,540.83/x
3. Step 3: Cross multiply
   11,860.16x = 17,792.78 × 3,540.83
4. Step 4: Simplify right side
   11,860.16x = 63,001,102.54
5. Step 5: Solve for x
   x = 63,001,102.54/11,860.16
6. Step 6: Final answer
   x = 5,312.00