Finding the Fourth Proportional to 3,430.01, 5,145.20 and 964.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,430.01 : 5,145.20 = 964.63 : x
2. Step 2: Convert to fraction form
   3,430.01/5,145.20 = 964.63/x
3. Step 3: Cross multiply
   3,430.01x = 5,145.20 × 964.63
4. Step 4: Simplify right side
   3,430.01x = 4,963,196.59
5. Step 5: Solve for x
   x = 4,963,196.59/3,430.01
6. Step 6: Final answer
   x = 1,446.99