Finding the Fourth Proportional to 2,098.76, 3,126.60 and 2,003.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.76 : 3,126.60 = 2,003.99 : x
2. Step 2: Convert to fraction form
   2,098.76/3,126.60 = 2,003.99/x
3. Step 3: Cross multiply
   2,098.76x = 3,126.60 × 2,003.99
4. Step 4: Simplify right side
   2,098.76x = 6,265,659.50
5. Step 5: Solve for x
   x = 6,265,659.50/2,098.76
6. Step 6: Final answer
   x = 2,985.42