Finding the Fourth Proportional to 2,784.05, 3,842.03 and 1,900.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.05 : 3,842.03 = 1,900.13 : x
2. Step 2: Convert to fraction form
   2,784.05/3,842.03 = 1,900.13/x
3. Step 3: Cross multiply
   2,784.05x = 3,842.03 × 1,900.13
4. Step 4: Simplify right side
   2,784.05x = 7,300,374.42
5. Step 5: Solve for x
   x = 7,300,374.42/2,784.05
6. Step 6: Final answer
   x = 2,622.22