Finding the Fourth Proportional to 8,943.49, 13,411.27 and 4,782.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,943.49 : 13,411.27 = 4,782.72 : x
2. Step 2: Convert to fraction form
   8,943.49/13,411.27 = 4,782.72/x
3. Step 3: Cross multiply
   8,943.49x = 13,411.27 × 4,782.72
4. Step 4: Simplify right side
   8,943.49x = 64,142,349.25
5. Step 5: Solve for x
   x = 64,142,349.25/8,943.49
6. Step 6: Final answer
   x = 7,171.96