Finding the Fourth Proportional to 5,719.48, 7,929.40 and 5,516.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719.48 : 7,929.40 = 5,516.50 : x
2. Step 2: Convert to fraction form
   5,719.48/7,929.40 = 5,516.50/x
3. Step 3: Cross multiply
   5,719.48x = 7,929.40 × 5,516.50
4. Step 4: Simplify right side
   5,719.48x = 43,742,535.10
5. Step 5: Solve for x
   x = 43,742,535.10/5,719.48
6. Step 6: Final answer
   x = 7,647.99