Finding the Fourth Proportional to 16,139,935.69, 22,272,667.54 and 8,797,912.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139,935.69 : 22,272,667.54 = 8,797,912.20 : x
2. Step 2: Convert to fraction form
   16,139,935.69/22,272,667.54 = 8,797,912.20/x
3. Step 3: Cross multiply
   16,139,935.69x = 22,272,667.54 × 8,797,912.20
4. Step 4: Simplify right side
   16,139,935.69x = 195,952,973,404,184.88
5. Step 5: Solve for x
   x = 195,952,973,404,184.88/16,139,935.69
6. Step 6: Final answer
   x = 12,140,876.96