Finding the Fourth Proportional to 1,151.07, 1,725.69 and 501.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.07 : 1,725.69 = 501.45 : x
2. Step 2: Convert to fraction form
   1,151.07/1,725.69 = 501.45/x
3. Step 3: Cross multiply
   1,151.07x = 1,725.69 × 501.45
4. Step 4: Simplify right side
   1,151.07x = 865,347.25
5. Step 5: Solve for x
   x = 865,347.25/1,151.07
6. Step 6: Final answer
   x = 751.78