Finding the Fourth Proportional to 16,499,487.72, 22,768,950.45 and 9,156,894.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499,487.72 : 22,768,950.45 = 9,156,894.42 : x
2. Step 2: Convert to fraction form
   16,499,487.72/22,768,950.45 = 9,156,894.42/x
3. Step 3: Cross multiply
   16,499,487.72x = 22,768,950.45 × 9,156,894.42
4. Step 4: Simplify right side
   16,499,487.72x = 208,492,875,324,861.47
5. Step 5: Solve for x
   x = 208,492,875,324,861.47/16,499,487.72
6. Step 6: Final answer
   x = 12,636,324.16