Finding the Fourth Proportional to 2,221.48, 3,066.87 and 1,337.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.48 : 3,066.87 = 1,337.50 : x
2. Step 2: Convert to fraction form
   2,221.48/3,066.87 = 1,337.50/x
3. Step 3: Cross multiply
   2,221.48x = 3,066.87 × 1,337.50
4. Step 4: Simplify right side
   2,221.48x = 4,101,938.63
5. Step 5: Solve for x
   x = 4,101,938.63/2,221.48
6. Step 6: Final answer
   x = 1,846.49