Finding the Fourth Proportional to 2,030, 2,801.40 and 1,098.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030 : 2,801.40 = 1,098.50 : x
2. Step 2: Convert to fraction form
   2,030/2,801.40 = 1,098.50/x
3. Step 3: Cross multiply
   2,030x = 2,801.40 × 1,098.50
4. Step 4: Simplify right side
   2,030x = 3,077,337.90
5. Step 5: Solve for x
   x = 3,077,337.90/2,030
6. Step 6: Final answer
   x = 1,515.93