Finding the Fourth Proportional to 42,697,227.66, 64,049,778.69 and 13,943,513.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,697,227.66 : 64,049,778.69 = 13,943,513.94 : x
2. Step 2: Convert to fraction form
   42,697,227.66/64,049,778.69 = 13,943,513.94/x
3. Step 3: Cross multiply
   42,697,227.66x = 64,049,778.69 × 13,943,513.94
4. Step 4: Simplify right side
   42,697,227.66x = 893,078,982,017,929.88
5. Step 5: Solve for x
   x = 893,078,982,017,929.88/42,697,227.66
6. Step 6: Final answer
   x = 20,916,556.67