Finding the Fourth Proportional to 40,874,665.98, 56,408,400.78 and 22,290,820.05

Step by Step Solution

1. Step 1: Write the proportion equation
   40,874,665.98 : 56,408,400.78 = 22,290,820.05 : x
2. Step 2: Convert to fraction form
   40,874,665.98/56,408,400.78 = 22,290,820.05/x
3. Step 3: Cross multiply
   40,874,665.98x = 56,408,400.78 × 22,290,820.05
4. Step 4: Simplify right side
   40,874,665.98x = 1,257,389,511,223,200.50
5. Step 5: Solve for x
   x = 1,257,389,511,223,200.50/40,874,665.98
6. Step 6: Final answer
   x = 30,762,074.28