Finding the Fourth Proportional to 7,132.31, 10,699.10 and 1,867.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,132.31 : 10,699.10 = 1,867.31 : x
2. Step 2: Convert to fraction form
   7,132.31/10,699.10 = 1,867.31/x
3. Step 3: Cross multiply
   7,132.31x = 10,699.10 × 1,867.31
4. Step 4: Simplify right side
   7,132.31x = 19,978,520.71
5. Step 5: Solve for x
   x = 19,978,520.71/7,132.31
6. Step 6: Final answer
   x = 2,801.13