Finding the Fourth Proportional to 31,514,185.28, 43,492,919.48 and 18,472,401.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,514,185.28 : 43,492,919.48 = 18,472,401.68 : x
2. Step 2: Convert to fraction form
   31,514,185.28/43,492,919.48 = 18,472,401.68/x
3. Step 3: Cross multiply
   31,514,185.28x = 43,492,919.48 × 18,472,401.68
4. Step 4: Simplify right side
   31,514,185.28x = 803,418,678,870,456.62
5. Step 5: Solve for x
   x = 803,418,678,870,456.62/31,514,185.28
6. Step 6: Final answer
   x = 25,493,874.32