Finding the Fourth Proportional to 23,035,049.98, 31,788,174.06 and 12,721,551.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,035,049.98 : 31,788,174.06 = 12,721,551.64 : x
2. Step 2: Convert to fraction form
   23,035,049.98/31,788,174.06 = 12,721,551.64/x
3. Step 3: Cross multiply
   23,035,049.98x = 31,788,174.06 × 12,721,551.64
4. Step 4: Simplify right side
   23,035,049.98x = 404,394,897,766,128
5. Step 5: Solve for x
   x = 404,394,897,766,128/23,035,049.98
6. Step 6: Final answer
   x = 17,555,633.62