Finding the Fourth Proportional to 1,350.47, 1,863.72 and 761.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.47 : 1,863.72 = 761.07 : x
2. Step 2: Convert to fraction form
   1,350.47/1,863.72 = 761.07/x
3. Step 3: Cross multiply
   1,350.47x = 1,863.72 × 761.07
4. Step 4: Simplify right side
   1,350.47x = 1,418,421.38
5. Step 5: Solve for x
   x = 1,418,421.38/1,350.47
6. Step 6: Final answer
   x = 1,050.32