Finding the Fourth Proportional to 16,915,857.37, 23,343,905.69 and 9,180,899.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,915,857.37 : 23,343,905.69 = 9,180,899.69 : x
2. Step 2: Convert to fraction form
   16,915,857.37/23,343,905.69 = 9,180,899.69/x
3. Step 3: Cross multiply
   16,915,857.37x = 23,343,905.69 × 9,180,899.69
4. Step 4: Simplify right side
   16,915,857.37x = 214,318,056,436,646.69
5. Step 5: Solve for x
   x = 214,318,056,436,646.69/16,915,857.37
6. Step 6: Final answer
   x = 12,669,653.79