Finding the Fourth Proportional to 1,250.52, 1,725.12 and 784.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.52 : 1,725.12 = 784.68 : x
2. Step 2: Convert to fraction form
   1,250.52/1,725.12 = 784.68/x
3. Step 3: Cross multiply
   1,250.52x = 1,725.12 × 784.68
4. Step 4: Simplify right side
   1,250.52x = 1,353,667.16
5. Step 5: Solve for x
   x = 1,353,667.16/1,250.52
6. Step 6: Final answer
   x = 1,082.48