Finding the Fourth Proportional to 5,621.48, 7,759.83 and 5,030.99

Step by Step Solution

1. Step 1: Write the proportion equation
   5,621.48 : 7,759.83 = 5,030.99 : x
2. Step 2: Convert to fraction form
   5,621.48/7,759.83 = 5,030.99/x
3. Step 3: Cross multiply
   5,621.48x = 7,759.83 × 5,030.99
4. Step 4: Simplify right side
   5,621.48x = 39,039,563.18
5. Step 5: Solve for x
   x = 39,039,563.18/5,621.48
6. Step 6: Final answer
   x = 6,944.72