Finding the Fourth Proportional to 5,901.56, 8,138.88 and 4,196.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,901.56 : 8,138.88 = 4,196.71 : x
2. Step 2: Convert to fraction form
   5,901.56/8,138.88 = 4,196.71/x
3. Step 3: Cross multiply
   5,901.56x = 8,138.88 × 4,196.71
4. Step 4: Simplify right side
   5,901.56x = 34,156,529.26
5. Step 5: Solve for x
   x = 34,156,529.26/5,901.56
6. Step 6: Final answer
   x = 5,787.71