Finding the Fourth Proportional to 5,886.42, 8,123.29 and 3,528.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,886.42 : 8,123.29 = 3,528.56 : x
2. Step 2: Convert to fraction form
   5,886.42/8,123.29 = 3,528.56/x
3. Step 3: Cross multiply
   5,886.42x = 8,123.29 × 3,528.56
4. Step 4: Simplify right side
   5,886.42x = 28,663,527.65
5. Step 5: Solve for x
   x = 28,663,527.65/5,886.42
6. Step 6: Final answer
   x = 4,869.43