Finding the Fourth Proportional to 1,373.63, 1,895.72 and 784.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.63 : 1,895.72 = 784.35 : x
2. Step 2: Convert to fraction form
   1,373.63/1,895.72 = 784.35/x
3. Step 3: Cross multiply
   1,373.63x = 1,895.72 × 784.35
4. Step 4: Simplify right side
   1,373.63x = 1,486,904.06
5. Step 5: Solve for x
   x = 1,486,904.06/1,373.63
6. Step 6: Final answer
   x = 1,082.47