Finding the Fourth Proportional to 1,374.72, 1,897.22 and 785.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.72 : 1,897.22 = 785.44 : x
2. Step 2: Convert to fraction form
   1,374.72/1,897.22 = 785.44/x
3. Step 3: Cross multiply
   1,374.72x = 1,897.22 × 785.44
4. Step 4: Simplify right side
   1,374.72x = 1,490,152.48
5. Step 5: Solve for x
   x = 1,490,152.48/1,374.72
6. Step 6: Final answer
   x = 1,083.97