Finding the Fourth Proportional to 1,840.68, 2,538.78 and 1,757.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,840.68 : 2,538.78 = 1,757.88 : x
2. Step 2: Convert to fraction form
   1,840.68/2,538.78 = 1,757.88/x
3. Step 3: Cross multiply
   1,840.68x = 2,538.78 × 1,757.88
4. Step 4: Simplify right side
   1,840.68x = 4,462,870.59
5. Step 5: Solve for x
   x = 4,462,870.59/1,840.68
6. Step 6: Final answer
   x = 2,424.58