Finding the Fourth Proportional to 21,616, 32,424.01 and 5,200

Step by Step Solution

1. Step 1: Write the proportion equation
   21,616 : 32,424.01 = 5,200 : x
2. Step 2: Convert to fraction form
   21,616/32,424.01 = 5,200/x
3. Step 3: Cross multiply
   21,616x = 32,424.01 × 5,200
4. Step 4: Simplify right side
   21,616x = 168,604,852
5. Step 5: Solve for x
   x = 168,604,852/21,616
6. Step 6: Final answer
   x = 7,800.00