Finding the Fourth Proportional to 1,379.59, 1,903.83 and 750.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379.59 : 1,903.83 = 750.11 : x
2. Step 2: Convert to fraction form
   1,379.59/1,903.83 = 750.11/x
3. Step 3: Cross multiply
   1,379.59x = 1,903.83 × 750.11
4. Step 4: Simplify right side
   1,379.59x = 1,428,081.92
5. Step 5: Solve for x
   x = 1,428,081.92/1,379.59
6. Step 6: Final answer
   x = 1,035.15