Finding the Fourth Proportional to 2,038.10, 2,810.50 and 1,663.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.10 : 2,810.50 = 1,663.88 : x
2. Step 2: Convert to fraction form
   2,038.10/2,810.50 = 1,663.88/x
3. Step 3: Cross multiply
   2,038.10x = 2,810.50 × 1,663.88
4. Step 4: Simplify right side
   2,038.10x = 4,676,316.53
5. Step 5: Solve for x
   x = 4,676,316.53/2,038.10
6. Step 6: Final answer
   x = 2,294.45