Finding the Fourth Proportional to 2,231.06, 3,075.42 and 1,837.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.06 : 3,075.42 = 1,837.40 : x
2. Step 2: Convert to fraction form
   2,231.06/3,075.42 = 1,837.40/x
3. Step 3: Cross multiply
   2,231.06x = 3,075.42 × 1,837.40
4. Step 4: Simplify right side
   2,231.06x = 5,650,776.71
5. Step 5: Solve for x
   x = 5,650,776.71/2,231.06
6. Step 6: Final answer
   x = 2,532.78