Finding the Fourth Proportional to 1,900.02, 2,610.69 and 1,550.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.02 : 2,610.69 = 1,550.10 : x
2. Step 2: Convert to fraction form
   1,900.02/2,610.69 = 1,550.10/x
3. Step 3: Cross multiply
   1,900.02x = 2,610.69 × 1,550.10
4. Step 4: Simplify right side
   1,900.02x = 4,046,830.57
5. Step 5: Solve for x
   x = 4,046,830.57/1,900.02
6. Step 6: Final answer
   x = 2,129.89