Finding the Fourth Proportional to 5,911.56, 8,159.55 and 3,672.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,911.56 : 8,159.55 = 3,672.18 : x
2. Step 2: Convert to fraction form
   5,911.56/8,159.55 = 3,672.18/x
3. Step 3: Cross multiply
   5,911.56x = 8,159.55 × 3,672.18
4. Step 4: Simplify right side
   5,911.56x = 29,963,336.32
5. Step 5: Solve for x
   x = 29,963,336.32/5,911.56
6. Step 6: Final answer
   x = 5,068.60