Finding the Fourth Proportional to 1,731.04, 2,386.47 and 1,436.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.04 : 2,386.47 = 1,436.74 : x
2. Step 2: Convert to fraction form
   1,731.04/2,386.47 = 1,436.74/x
3. Step 3: Cross multiply
   1,731.04x = 2,386.47 × 1,436.74
4. Step 4: Simplify right side
   1,731.04x = 3,428,736.91
5. Step 5: Solve for x
   x = 3,428,736.91/1,731.04
6. Step 6: Final answer
   x = 1,980.74