Finding the Fourth Proportional to 16,507,323.18, 22,780,817.43 and 9,165,156.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,507,323.18 : 22,780,817.43 = 9,165,156.69 : x
2. Step 2: Convert to fraction form
   16,507,323.18/22,780,817.43 = 9,165,156.69/x
3. Step 3: Cross multiply
   16,507,323.18x = 22,780,817.43 × 9,165,156.69
4. Step 4: Simplify right side
   16,507,323.18x = 208,789,761,272,233.09
5. Step 5: Solve for x
   x = 208,789,761,272,233.09/16,507,323.18
6. Step 6: Final answer
   x = 12,648,311.24