Finding the Fourth Proportional to 1,250.56, 1,725.72 and 785.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.56 : 1,725.72 = 785.12 : x
2. Step 2: Convert to fraction form
   1,250.56/1,725.72 = 785.12/x
3. Step 3: Cross multiply
   1,250.56x = 1,725.72 × 785.12
4. Step 4: Simplify right side
   1,250.56x = 1,354,897.29
5. Step 5: Solve for x
   x = 1,354,897.29/1,250.56
6. Step 6: Final answer
   x = 1,083.43