Finding the Fourth Proportional to 2,521.76, 3,779.84 and 1,903.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.76 : 3,779.84 = 1,903.46 : x
2. Step 2: Convert to fraction form
   2,521.76/3,779.84 = 1,903.46/x
3. Step 3: Cross multiply
   2,521.76x = 3,779.84 × 1,903.46
4. Step 4: Simplify right side
   2,521.76x = 7,194,745.83
5. Step 5: Solve for x
   x = 7,194,745.83/2,521.76
6. Step 6: Final answer
   x = 2,853.07