Finding the Fourth Proportional to 1,152.69, 1,725.93 and 877.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.69 : 1,725.93 = 877.47 : x
2. Step 2: Convert to fraction form
   1,152.69/1,725.93 = 877.47/x
3. Step 3: Cross multiply
   1,152.69x = 1,725.93 × 877.47
4. Step 4: Simplify right side
   1,152.69x = 1,514,451.80
5. Step 5: Solve for x
   x = 1,514,451.80/1,152.69
6. Step 6: Final answer
   x = 1,313.84