Finding the Fourth Proportional to 2,521.80, 3,774.60 and 1,348.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.80 : 3,774.60 = 1,348.88 : x
2. Step 2: Convert to fraction form
   2,521.80/3,774.60 = 1,348.88/x
3. Step 3: Cross multiply
   2,521.80x = 3,774.60 × 1,348.88
4. Step 4: Simplify right side
   2,521.80x = 5,091,463.58
5. Step 5: Solve for x
   x = 5,091,463.58/2,521.80
6. Step 6: Final answer
   x = 2,018.98