Finding the Fourth Proportional to 5,916.50, 8,864.58 and 3,719.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,916.50 : 8,864.58 = 3,719.78 : x
2. Step 2: Convert to fraction form
   5,916.50/8,864.58 = 3,719.78/x
3. Step 3: Cross multiply
   5,916.50x = 8,864.58 × 3,719.78
4. Step 4: Simplify right side
   5,916.50x = 32,974,287.39
5. Step 5: Solve for x
   x = 32,974,287.39/5,916.50
6. Step 6: Final answer
   x = 5,573.28