Finding the Fourth Proportional to 1,802.31, 2,700.72 and 1,337.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.31 : 2,700.72 = 1,337.91 : x
2. Step 2: Convert to fraction form
   1,802.31/2,700.72 = 1,337.91/x
3. Step 3: Cross multiply
   1,802.31x = 2,700.72 × 1,337.91
4. Step 4: Simplify right side
   1,802.31x = 3,613,310.17
5. Step 5: Solve for x
   x = 3,613,310.17/1,802.31
6. Step 6: Final answer
   x = 2,004.83