Finding the Fourth Proportional to 1,867.48, 2,580.42 and 1,477.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,867.48 : 2,580.42 = 1,477.60 : x
2. Step 2: Convert to fraction form
   1,867.48/2,580.42 = 1,477.60/x
3. Step 3: Cross multiply
   1,867.48x = 2,580.42 × 1,477.60
4. Step 4: Simplify right side
   1,867.48x = 3,812,828.59
5. Step 5: Solve for x
   x = 3,812,828.59/1,867.48
6. Step 6: Final answer
   x = 2,041.70