Finding the Fourth Proportional to 1,369.76, 2,055.34 and 753.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.76 : 2,055.34 = 753.94 : x
2. Step 2: Convert to fraction form
   1,369.76/2,055.34 = 753.94/x
3. Step 3: Cross multiply
   1,369.76x = 2,055.34 × 753.94
4. Step 4: Simplify right side
   1,369.76x = 1,549,603.04
5. Step 5: Solve for x
   x = 1,549,603.04/1,369.76
6. Step 6: Final answer
   x = 1,131.30