Finding the Fourth Proportional to 1,887.31, 2,830.15 and 732.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.31 : 2,830.15 = 732.25 : x
2. Step 2: Convert to fraction form
   1,887.31/2,830.15 = 732.25/x
3. Step 3: Cross multiply
   1,887.31x = 2,830.15 × 732.25
4. Step 4: Simplify right side
   1,887.31x = 2,072,377.34
5. Step 5: Solve for x
   x = 2,072,377.34/1,887.31
6. Step 6: Final answer
   x = 1,098.06