Finding the Fourth Proportional to 21,171,399.98, 29,205,759.67 and 13,833,523.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,171,399.98 : 29,205,759.67 = 13,833,523.02 : x
2. Step 2: Convert to fraction form
   21,171,399.98/29,205,759.67 = 13,833,523.02/x
3. Step 3: Cross multiply
   21,171,399.98x = 29,205,759.67 × 13,833,523.02
4. Step 4: Simplify right side
   21,171,399.98x = 404,018,548,711,532.62
5. Step 5: Solve for x
   x = 404,018,548,711,532.62/21,171,399.98
6. Step 6: Final answer
   x = 19,083,223.08