Finding the Fourth Proportional to 2,403.12, 3,606.72 and 943.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.12 : 3,606.72 = 943.30 : x
2. Step 2: Convert to fraction form
   2,403.12/3,606.72 = 943.30/x
3. Step 3: Cross multiply
   2,403.12x = 3,606.72 × 943.30
4. Step 4: Simplify right side
   2,403.12x = 3,402,218.98
5. Step 5: Solve for x
   x = 3,402,218.98/2,403.12
6. Step 6: Final answer
   x = 1,415.75