Finding the Fourth Proportional to 12,809,799.98, 19,215,066.96 and 5,028,390.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,809,799.98 : 19,215,066.96 = 5,028,390.41 : x
2. Step 2: Convert to fraction form
   12,809,799.98/19,215,066.96 = 5,028,390.41/x
3. Step 3: Cross multiply
   12,809,799.98x = 19,215,066.96 × 5,028,390.41
4. Step 4: Simplify right side
   12,809,799.98x = 96,620,858,429,171.86
5. Step 5: Solve for x
   x = 96,620,858,429,171.86/12,809,799.98
6. Step 6: Final answer
   x = 7,542,729.67