Finding the Fourth Proportional to 19,836,665.50, 29,766,477.98 and 8,321,101.45

Step by Step Solution

1. Step 1: Write the proportion equation
   19,836,665.50 : 29,766,477.98 = 8,321,101.45 : x
2. Step 2: Convert to fraction form
   19,836,665.50/29,766,477.98 = 8,321,101.45/x
3. Step 3: Cross multiply
   19,836,665.50x = 29,766,477.98 × 8,321,101.45
4. Step 4: Simplify right side
   19,836,665.50x = 247,689,883,080,771.09
5. Step 5: Solve for x
   x = 247,689,883,080,771.09/19,836,665.50
6. Step 6: Final answer
   x = 12,486,467.70