Finding the Fourth Proportional to 16,986,120, 23,440,495.68 and 9,251,298.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,986,120 : 23,440,495.68 = 9,251,298.24 : x
2. Step 2: Convert to fraction form
   16,986,120/23,440,495.68 = 9,251,298.24/x
3. Step 3: Cross multiply
   16,986,120x = 23,440,495.68 × 9,251,298.24
4. Step 4: Simplify right side
   16,986,120x = 216,855,016,429,111.59
5. Step 5: Solve for x
   x = 216,855,016,429,111.59/16,986,120
6. Step 6: Final answer
   x = 12,766,600.99