Finding the Fourth Proportional to 11,858.96, 17,762.52 and 5,690

Step by Step Solution

1. Step 1: Write the proportion equation
   11,858.96 : 17,762.52 = 5,690 : x
2. Step 2: Convert to fraction form
   11,858.96/17,762.52 = 5,690/x
3. Step 3: Cross multiply
   11,858.96x = 17,762.52 × 5,690
4. Step 4: Simplify right side
   11,858.96x = 101,068,738.80
5. Step 5: Solve for x
   x = 101,068,738.80/11,858.96
6. Step 6: Final answer
   x = 8,522.56