Finding the Fourth Proportional to 1,485.95, 2,238.74 and 1,345.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.95 : 2,238.74 = 1,345.41 : x
2. Step 2: Convert to fraction form
   1,485.95/2,238.74 = 1,345.41/x
3. Step 3: Cross multiply
   1,485.95x = 2,238.74 × 1,345.41
4. Step 4: Simplify right side
   1,485.95x = 3,012,021.50
5. Step 5: Solve for x
   x = 3,012,021.50/1,485.95
6. Step 6: Final answer
   x = 2,027.01