Finding the Fourth Proportional to 16,499,464.08, 22,768,917.93 and 9,156,870.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499,464.08 : 22,768,917.93 = 9,156,870.78 : x
2. Step 2: Convert to fraction form
   16,499,464.08/22,768,917.93 = 9,156,870.78/x
3. Step 3: Cross multiply
   16,499,464.08x = 22,768,917.93 × 9,156,870.78
4. Step 4: Simplify right side
   16,499,464.08x = 208,492,039,285,435.06
5. Step 5: Solve for x
   x = 208,492,039,285,435.06/16,499,464.08
6. Step 6: Final answer
   x = 12,636,291.60