Finding the Fourth Proportional to 1,870.55, 2,579.88 and 1,744.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.55 : 2,579.88 = 1,744.80 : x
2. Step 2: Convert to fraction form
   1,870.55/2,579.88 = 1,744.80/x
3. Step 3: Cross multiply
   1,870.55x = 2,579.88 × 1,744.80
4. Step 4: Simplify right side
   1,870.55x = 4,501,374.62
5. Step 5: Solve for x
   x = 4,501,374.62/1,870.55
6. Step 6: Final answer
   x = 2,406.45