Finding the Fourth Proportional to 8,900.83, 13,348.05 and 2,659.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900.83 : 13,348.05 = 2,659.68 : x
2. Step 2: Convert to fraction form
   8,900.83/13,348.05 = 2,659.68/x
3. Step 3: Cross multiply
   8,900.83x = 13,348.05 × 2,659.68
4. Step 4: Simplify right side
   8,900.83x = 35,501,508.25
5. Step 5: Solve for x
   x = 35,501,508.25/8,900.83
6. Step 6: Final answer
   x = 3,988.56