Finding the Fourth Proportional to 21,582,023.90, 32,367,851.85 and 12,464,404.70

Step by Step Solution

1. Step 1: Write the proportion equation
   21,582,023.90 : 32,367,851.85 = 12,464,404.70 : x
2. Step 2: Convert to fraction form
   21,582,023.90/32,367,851.85 = 12,464,404.70/x
3. Step 3: Cross multiply
   21,582,023.90x = 32,367,851.85 × 12,464,404.70
4. Step 4: Simplify right side
   21,582,023.90x = 403,446,004,728,043.69
5. Step 5: Solve for x
   x = 403,446,004,728,043.69/21,582,023.90
6. Step 6: Final answer
   x = 18,693,613.10