Finding the Fourth Proportional to 1,900.18, 2,621.98 and 1,060.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.18 : 2,621.98 = 1,060.80 : x
2. Step 2: Convert to fraction form
   1,900.18/2,621.98 = 1,060.80/x
3. Step 3: Cross multiply
   1,900.18x = 2,621.98 × 1,060.80
4. Step 4: Simplify right side
   1,900.18x = 2,781,393.73
5. Step 5: Solve for x
   x = 2,781,393.73/1,900.18
6. Step 6: Final answer
   x = 1,463.75