Finding the Fourth Proportional to 1,378.99, 1,903.01 and 749.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378.99 : 1,903.01 = 749.52 : x
2. Step 2: Convert to fraction form
   1,378.99/1,903.01 = 749.52/x
3. Step 3: Cross multiply
   1,378.99x = 1,903.01 × 749.52
4. Step 4: Simplify right side
   1,378.99x = 1,426,339.55
5. Step 5: Solve for x
   x = 1,426,339.55/1,378.99
6. Step 6: Final answer
   x = 1,034.34