Finding the Fourth Proportional to 1,373.58, 1,895.27 and 784.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.58 : 1,895.27 = 784.31 : x
2. Step 2: Convert to fraction form
   1,373.58/1,895.27 = 784.31/x
3. Step 3: Cross multiply
   1,373.58x = 1,895.27 × 784.31
4. Step 4: Simplify right side
   1,373.58x = 1,486,465.82
5. Step 5: Solve for x
   x = 1,486,465.82/1,373.58
6. Step 6: Final answer
   x = 1,082.18