Finding the Fourth Proportional to 1,401.24, 2,100.12 and 1,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.24 : 2,100.12 = 1,227.50 : x
2. Step 2: Convert to fraction form
   1,401.24/2,100.12 = 1,227.50/x
3. Step 3: Cross multiply
   1,401.24x = 2,100.12 × 1,227.50
4. Step 4: Simplify right side
   1,401.24x = 2,577,897.30
5. Step 5: Solve for x
   x = 2,577,897.30/1,401.24
6. Step 6: Final answer
   x = 1,839.73