Finding the Fourth Proportional to 1,885.50, 2,601.90 and 1,046.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.50 : 2,601.90 = 1,046.20 : x
2. Step 2: Convert to fraction form
   1,885.50/2,601.90 = 1,046.20/x
3. Step 3: Cross multiply
   1,885.50x = 2,601.90 × 1,046.20
4. Step 4: Simplify right side
   1,885.50x = 2,722,094.77
5. Step 5: Solve for x
   x = 2,722,094.77/1,885.50
6. Step 6: Final answer
   x = 1,443.70