Finding the Fourth Proportional to 21,697,818, 29,944,388.52 and 12,040,026

Step by Step Solution

1. Step 1: Write the proportion equation
   21,697,818 : 29,944,388.52 = 12,040,026 : x
2. Step 2: Convert to fraction form
   21,697,818/29,944,388.52 = 12,040,026/x
3. Step 3: Cross multiply
   21,697,818x = 29,944,388.52 × 12,040,026
4. Step 4: Simplify right side
   21,697,818x = 360,531,216,334,901.50
5. Step 5: Solve for x
   x = 360,531,216,334,901.50/21,697,818
6. Step 6: Final answer
   x = 16,616,012.56