Finding the Fourth Proportional to 1,374.02, 1,896.18 and 784.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.02 : 1,896.18 = 784.61 : x
2. Step 2: Convert to fraction form
   1,374.02/1,896.18 = 784.61/x
3. Step 3: Cross multiply
   1,374.02x = 1,896.18 × 784.61
4. Step 4: Simplify right side
   1,374.02x = 1,487,761.79
5. Step 5: Solve for x
   x = 1,487,761.79/1,374.02
6. Step 6: Final answer
   x = 1,082.78