Finding the Fourth Proportional to 1,373.92, 1,895.98 and 784.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.92 : 1,895.98 = 784.64 : x
2. Step 2: Convert to fraction form
   1,373.92/1,895.98 = 784.64/x
3. Step 3: Cross multiply
   1,373.92x = 1,895.98 × 784.64
4. Step 4: Simplify right side
   1,373.92x = 1,487,661.75
5. Step 5: Solve for x
   x = 1,487,661.75/1,373.92
6. Step 6: Final answer
   x = 1,082.79