Finding the Fourth Proportional to 1,250.77, 1,725.83 and 784.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.77 : 1,725.83 = 784.81 : x
2. Step 2: Convert to fraction form
   1,250.77/1,725.83 = 784.81/x
3. Step 3: Cross multiply
   1,250.77x = 1,725.83 × 784.81
4. Step 4: Simplify right side
   1,250.77x = 1,354,444.72
5. Step 5: Solve for x
   x = 1,354,444.72/1,250.77
6. Step 6: Final answer
   x = 1,082.89