Finding the Fourth Proportional to 5,160.62, 7,123.50 and 3,064.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,160.62 : 7,123.50 = 3,064.76 : x
2. Step 2: Convert to fraction form
   5,160.62/7,123.50 = 3,064.76/x
3. Step 3: Cross multiply
   5,160.62x = 7,123.50 × 3,064.76
4. Step 4: Simplify right side
   5,160.62x = 21,831,817.86
5. Step 5: Solve for x
   x = 21,831,817.86/5,160.62
6. Step 6: Final answer
   x = 4,230.46