Finding the Fourth Proportional to 16,499,410.64, 22,768,844 and 9,156,817.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499,410.64 : 22,768,844 = 9,156,817.28 : x
2. Step 2: Convert to fraction form
   16,499,410.64/22,768,844 = 9,156,817.28/x
3. Step 3: Cross multiply
   16,499,410.64x = 22,768,844 × 9,156,817.28
4. Step 4: Simplify right side
   16,499,410.64x = 208,490,144,184,824.31
5. Step 5: Solve for x
   x = 208,490,144,184,824.31/16,499,410.64
6. Step 6: Final answer
   x = 12,636,217.66