Finding the Fourth Proportional to 16,277,788.52, 24,428,493.50 and 13,121,028.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,277,788.52 : 24,428,493.50 = 13,121,028.98 : x
2. Step 2: Convert to fraction form
   16,277,788.52/24,428,493.50 = 13,121,028.98/x
3. Step 3: Cross multiply
   16,277,788.52x = 24,428,493.50 × 13,121,028.98
4. Step 4: Simplify right side
   16,277,788.52x = 320,526,971,151,241.62
5. Step 5: Solve for x
   x = 320,526,971,151,241.62/16,277,788.52
6. Step 6: Final answer
   x = 19,691,063.73