Finding the Fourth Proportional to 21,801,618.56, 30,061,444.20 and 13,950,660.08

Step by Step Solution

1. Step 1: Write the proportion equation
   21,801,618.56 : 30,061,444.20 = 13,950,660.08 : x
2. Step 2: Convert to fraction form
   21,801,618.56/30,061,444.20 = 13,950,660.08/x
3. Step 3: Cross multiply
   21,801,618.56x = 30,061,444.20 × 13,950,660.08
4. Step 4: Simplify right side
   21,801,618.56x = 419,376,989,548,087.50
5. Step 5: Solve for x
   x = 419,376,989,548,087.50/21,801,618.56
6. Step 6: Final answer
   x = 19,236,048.39