Finding the Fourth Proportional to 1,672.38, 2,307.83 and 1,083.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.38 : 2,307.83 = 1,083.51 : x
2. Step 2: Convert to fraction form
   1,672.38/2,307.83 = 1,083.51/x
3. Step 3: Cross multiply
   1,672.38x = 2,307.83 × 1,083.51
4. Step 4: Simplify right side
   1,672.38x = 2,500,551.47
5. Step 5: Solve for x
   x = 2,500,551.47/1,672.38
6. Step 6: Final answer
   x = 1,495.21