Finding the Fourth Proportional to 5,623.56, 7,719.03 and 5,382.99

Step by Step Solution

1. Step 1: Write the proportion equation
   5,623.56 : 7,719.03 = 5,382.99 : x
2. Step 2: Convert to fraction form
   5,623.56/7,719.03 = 5,382.99/x
3. Step 3: Cross multiply
   5,623.56x = 7,719.03 × 5,382.99
4. Step 4: Simplify right side
   5,623.56x = 41,551,461.30
5. Step 5: Solve for x
   x = 41,551,461.30/5,623.56
6. Step 6: Final answer
   x = 7,388.82