Finding the Fourth Proportional to 23,181,335.39, 31,988,642.61 and 12,867,246.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,181,335.39 : 31,988,642.61 = 12,867,246.56 : x
2. Step 2: Convert to fraction form
   23,181,335.39/31,988,642.61 = 12,867,246.56/x
3. Step 3: Cross multiply
   23,181,335.39x = 31,988,642.61 × 12,867,246.56
4. Step 4: Simplify right side
   23,181,335.39x = 411,605,751,710,815.69
5. Step 5: Solve for x
   x = 411,605,751,710,815.69/23,181,335.39
6. Step 6: Final answer
   x = 17,755,912.02