Finding the Fourth Proportional to 42,996,511.88, 64,522,514.47 and 15,700,519.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,996,511.88 : 64,522,514.47 = 15,700,519.31 : x
2. Step 2: Convert to fraction form
   42,996,511.88/64,522,514.47 = 15,700,519.31/x
3. Step 3: Cross multiply
   42,996,511.88x = 64,522,514.47 × 15,700,519.31
4. Step 4: Simplify right side
   42,996,511.88x = 1,013,036,984,488,044.38
5. Step 5: Solve for x
   x = 1,013,036,984,488,044.38/42,996,511.88
6. Step 6: Final answer
   x = 23,560,910.88