Finding the Fourth Proportional to 22,420,211.82, 30,939,987.06 and 12,630,773.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,420,211.82 : 30,939,987.06 = 12,630,773.22 : x
2. Step 2: Convert to fraction form
   22,420,211.82/30,939,987.06 = 12,630,773.22/x
3. Step 3: Cross multiply
   22,420,211.82x = 30,939,987.06 × 12,630,773.22
4. Step 4: Simplify right side
   22,420,211.82x = 390,795,959,984,594.56
5. Step 5: Solve for x
   x = 390,795,959,984,594.56/22,420,211.82
6. Step 6: Final answer
   x = 17,430,520.42