Finding the Fourth Proportional to 5,160.95, 7,123.25 and 3,392.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,160.95 : 7,123.25 = 3,392.72 : x
2. Step 2: Convert to fraction form
   5,160.95/7,123.25 = 3,392.72/x
3. Step 3: Cross multiply
   5,160.95x = 7,123.25 × 3,392.72
4. Step 4: Simplify right side
   5,160.95x = 24,167,192.74
5. Step 5: Solve for x
   x = 24,167,192.74/5,160.95
6. Step 6: Final answer
   x = 4,682.70