Finding the Fourth Proportional to 2,221.39, 3,065.50 and 1,337.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.39 : 3,065.50 = 1,337.00 : x
2. Step 2: Convert to fraction form
   2,221.39/3,065.50 = 1,337.00/x
3. Step 3: Cross multiply
   2,221.39x = 3,065.50 × 1,337.00
4. Step 4: Simplify right side
   2,221.39x = 4,098,577.82
5. Step 5: Solve for x
   x = 4,098,577.82/2,221.39
6. Step 6: Final answer
   x = 1,845.05