Finding the Fourth Proportional to 6,061.55, 8,364.79 and 3,965.63

Step by Step Solution

1. Step 1: Write the proportion equation
   6,061.55 : 8,364.79 = 3,965.63 : x
2. Step 2: Convert to fraction form
   6,061.55/8,364.79 = 3,965.63/x
3. Step 3: Cross multiply
   6,061.55x = 8,364.79 × 3,965.63
4. Step 4: Simplify right side
   6,061.55x = 33,171,662.17
5. Step 5: Solve for x
   x = 33,171,662.17/6,061.55
6. Step 6: Final answer
   x = 5,472.47