Finding the Fourth Proportional to 5,123.31, 7,685.43 and 3,753.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.31 : 7,685.43 = 3,753.71 : x
2. Step 2: Convert to fraction form
   5,123.31/7,685.43 = 3,753.71/x
3. Step 3: Cross multiply
   5,123.31x = 7,685.43 × 3,753.71
4. Step 4: Simplify right side
   5,123.31x = 28,848,837.02
5. Step 5: Solve for x
   x = 28,848,837.02/5,123.31
6. Step 6: Final answer
   x = 5,630.90