Finding the Fourth Proportional to 16,821,192.98, 23,213,256.49 and 9,086,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,821,192.98 : 23,213,256.49 = 9,086,238.72 : x
2. Step 2: Convert to fraction form
   16,821,192.98/23,213,256.49 = 9,086,238.72/x
3. Step 3: Cross multiply
   16,821,192.98x = 23,213,256.49 × 9,086,238.72
4. Step 4: Simplify right side
   16,821,192.98x = 210,921,189,914,013.72
5. Step 5: Solve for x
   x = 210,921,189,914,013.72/16,821,192.98
6. Step 6: Final answer
   x = 12,539,014.93