Finding the Fourth Proportional to 2,260.19, 3,390.89 and 943.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,260.19 : 3,390.89 = 943.50 : x
2. Step 2: Convert to fraction form
   2,260.19/3,390.89 = 943.50/x
3. Step 3: Cross multiply
   2,260.19x = 3,390.89 × 943.50
4. Step 4: Simplify right side
   2,260.19x = 3,199,300.00
5. Step 5: Solve for x
   x = 3,199,300.00/2,260.19
6. Step 6: Final answer
   x = 1,415.50