Finding the Fourth Proportional to 42,408,676.82, 63,554,162.27 and 19,323,193.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,408,676.82 : 63,554,162.27 = 19,323,193.47 : x
2. Step 2: Convert to fraction form
   42,408,676.82/63,554,162.27 = 19,323,193.47/x
3. Step 3: Cross multiply
   42,408,676.82x = 63,554,162.27 × 19,323,193.47
4. Step 4: Simplify right side
   42,408,676.82x = 1,228,069,373,270,368.25
5. Step 5: Solve for x
   x = 1,228,069,373,270,368.25/42,408,676.82
6. Step 6: Final answer
   x = 28,957,974.30