Finding the Fourth Proportional to 2,430.51, 3,646.72 and 969.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.51 : 3,646.72 = 969.57 : x
2. Step 2: Convert to fraction form
   2,430.51/3,646.72 = 969.57/x
3. Step 3: Cross multiply
   2,430.51x = 3,646.72 × 969.57
4. Step 4: Simplify right side
   2,430.51x = 3,535,751.52
5. Step 5: Solve for x
   x = 3,535,751.52/2,430.51
6. Step 6: Final answer
   x = 1,454.74