Finding the Fourth Proportional to 1,373.61, 1,895.60 and 784.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.61 : 1,895.60 = 784.18 : x
2. Step 2: Convert to fraction form
   1,373.61/1,895.60 = 784.18/x
3. Step 3: Cross multiply
   1,373.61x = 1,895.60 × 784.18
4. Step 4: Simplify right side
   1,373.61x = 1,486,491.61
5. Step 5: Solve for x
   x = 1,486,491.61/1,373.61
6. Step 6: Final answer
   x = 1,082.18