Finding the Fourth Proportional to 14,669,315.60, 21,998,990.56 and 5,082,456.48

Step by Step Solution

1. Step 1: Write the proportion equation
   14,669,315.60 : 21,998,990.56 = 5,082,456.48 : x
2. Step 2: Convert to fraction form
   14,669,315.60/21,998,990.56 = 5,082,456.48/x
3. Step 3: Cross multiply
   14,669,315.60x = 21,998,990.56 × 5,082,456.48
4. Step 4: Simplify right side
   14,669,315.60x = 111,808,912,125,130.83
5. Step 5: Solve for x
   x = 111,808,912,125,130.83/14,669,315.60
6. Step 6: Final answer
   x = 7,621,958.32