Finding the Fourth Proportional to 1,379.99, 1,904.39 and 750.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379.99 : 1,904.39 = 750.52 : x
2. Step 2: Convert to fraction form
   1,379.99/1,904.39 = 750.52/x
3. Step 3: Cross multiply
   1,379.99x = 1,904.39 × 750.52
4. Step 4: Simplify right side
   1,379.99x = 1,429,282.78
5. Step 5: Solve for x
   x = 1,429,282.78/1,379.99
6. Step 6: Final answer
   x = 1,035.72