Finding the Fourth Proportional to 1,867.02, 2,572.06 and 1,306.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,867.02 : 2,572.06 = 1,306.50 : x
2. Step 2: Convert to fraction form
   1,867.02/2,572.06 = 1,306.50/x
3. Step 3: Cross multiply
   1,867.02x = 2,572.06 × 1,306.50
4. Step 4: Simplify right side
   1,867.02x = 3,360,396.39
5. Step 5: Solve for x
   x = 3,360,396.39/1,867.02
6. Step 6: Final answer
   x = 1,799.87