Finding the Fourth Proportional to 5,160.39, 7,123.82 and 3,671.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,160.39 : 7,123.82 = 3,671.43 : x
2. Step 2: Convert to fraction form
   5,160.39/7,123.82 = 3,671.43/x
3. Step 3: Cross multiply
   5,160.39x = 7,123.82 × 3,671.43
4. Step 4: Simplify right side
   5,160.39x = 26,154,606.46
5. Step 5: Solve for x
   x = 26,154,606.46/5,160.39
6. Step 6: Final answer
   x = 5,068.34