Finding the Fourth Proportional to 3,748.35, 5,625.98 and 1,900.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.35 : 5,625.98 = 1,900.78 : x
2. Step 2: Convert to fraction form
   3,748.35/5,625.98 = 1,900.78/x
3. Step 3: Cross multiply
   3,748.35x = 5,625.98 × 1,900.78
4. Step 4: Simplify right side
   3,748.35x = 10,693,750.26
5. Step 5: Solve for x
   x = 10,693,750.26/3,748.35
6. Step 6: Final answer
   x = 2,852.92