Finding the Fourth Proportional to 16,111,128.10, 22,231,681.23 and 9,139,584.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111,128.10 : 22,231,681.23 = 9,139,584.46 : x
2. Step 2: Convert to fraction form
   16,111,128.10/22,231,681.23 = 9,139,584.46/x
3. Step 3: Cross multiply
   16,111,128.10x = 22,231,681.23 × 9,139,584.46
4. Step 4: Simplify right side
   16,111,128.10x = 203,188,328,289,381.72
5. Step 5: Solve for x
   x = 203,188,328,289,381.72/16,111,128.10
6. Step 6: Final answer
   x = 12,611,676.04