Finding the Fourth Proportional to 4,156.72, 5,730.76 and 3,445.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,156.72 : 5,730.76 = 3,445.88 : x
2. Step 2: Convert to fraction form
   4,156.72/5,730.76 = 3,445.88/x
3. Step 3: Cross multiply
   4,156.72x = 5,730.76 × 3,445.88
4. Step 4: Simplify right side
   4,156.72x = 19,747,511.27
5. Step 5: Solve for x
   x = 19,747,511.27/4,156.72
6. Step 6: Final answer
   x = 4,750.74