Finding the Fourth Proportional to 1,152.34, 1,725.27 and 877.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.34 : 1,725.27 = 877.30 : x
2. Step 2: Convert to fraction form
   1,152.34/1,725.27 = 877.30/x
3. Step 3: Cross multiply
   1,152.34x = 1,725.27 × 877.30
4. Step 4: Simplify right side
   1,152.34x = 1,513,579.37
5. Step 5: Solve for x
   x = 1,513,579.37/1,152.34
6. Step 6: Final answer
   x = 1,313.48