Finding the Fourth Proportional to 1,988.04, 2,743.98 and 1,359.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,988.04 : 2,743.98 = 1,359.90 : x
2. Step 2: Convert to fraction form
   1,988.04/2,743.98 = 1,359.90/x
3. Step 3: Cross multiply
   1,988.04x = 2,743.98 × 1,359.90
4. Step 4: Simplify right side
   1,988.04x = 3,731,538.40
5. Step 5: Solve for x
   x = 3,731,538.40/1,988.04
6. Step 6: Final answer
   x = 1,876.99