Finding the Fourth Proportional to 2,430.76, 3,643.86 and 969.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.76 : 3,643.86 = 969.52 : x
2. Step 2: Convert to fraction form
   2,430.76/3,643.86 = 969.52/x
3. Step 3: Cross multiply
   2,430.76x = 3,643.86 × 969.52
4. Step 4: Simplify right side
   2,430.76x = 3,532,795.15
5. Step 5: Solve for x
   x = 3,532,795.15/2,430.76
6. Step 6: Final answer
   x = 1,453.37