Finding the Fourth Proportional to 12,007,581.29, 16,573,185.86 and 9,388,905.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,007,581.29 : 16,573,185.86 = 9,388,905.83 : x
2. Step 2: Convert to fraction form
   12,007,581.29/16,573,185.86 = 9,388,905.83/x
3. Step 3: Cross multiply
   12,007,581.29x = 16,573,185.86 × 9,388,905.83
4. Step 4: Simplify right side
   12,007,581.29x = 155,604,081,212,817.09
5. Step 5: Solve for x
   x = 155,604,081,212,817.09/12,007,581.29
6. Step 6: Final answer
   x = 12,958,819.73