Finding the Fourth Proportional to 1,531.35, 2,296.89 and 751.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531.35 : 2,296.89 = 751.05 : x
2. Step 2: Convert to fraction form
   1,531.35/2,296.89 = 751.05/x
3. Step 3: Cross multiply
   1,531.35x = 2,296.89 × 751.05
4. Step 4: Simplify right side
   1,531.35x = 1,725,079.23
5. Step 5: Solve for x
   x = 1,725,079.23/1,531.35
6. Step 6: Final answer
   x = 1,126.51