Finding the Fourth Proportional to 1,350.86, 1,864.16 and 761.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.86 : 1,864.16 = 761.38 : x
2. Step 2: Convert to fraction form
   1,350.86/1,864.16 = 761.38/x
3. Step 3: Cross multiply
   1,350.86x = 1,864.16 × 761.38
4. Step 4: Simplify right side
   1,350.86x = 1,419,334.14
5. Step 5: Solve for x
   x = 1,419,334.14/1,350.86
6. Step 6: Final answer
   x = 1,050.69