Finding the Fourth Proportional to 5,892.87, 8,123.76 and 4,213.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,892.87 : 8,123.76 = 4,213.68 : x
2. Step 2: Convert to fraction form
   5,892.87/8,123.76 = 4,213.68/x
3. Step 3: Cross multiply
   5,892.87x = 8,123.76 × 4,213.68
4. Step 4: Simplify right side
   5,892.87x = 34,230,925.04
5. Step 5: Solve for x
   x = 34,230,925.04/5,892.87
6. Step 6: Final answer
   x = 5,808.87