Finding the Fourth Proportional to 16,139,707.47, 22,272,463.89 and 8,797,477.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139,707.47 : 22,272,463.89 = 8,797,477.05 : x
2. Step 2: Convert to fraction form
   16,139,707.47/22,272,463.89 = 8,797,477.05/x
3. Step 3: Cross multiply
   16,139,707.47x = 22,272,463.89 × 8,797,477.05
4. Step 4: Simplify right side
   16,139,707.47x = 195,941,489,919,228.75
5. Step 5: Solve for x
   x = 195,941,489,919,228.75/16,139,707.47
6. Step 6: Final answer
   x = 12,140,337.13