Finding the Fourth Proportional to 23,969,855.82, 33,078,402.18 and 12,956,569.44

Step by Step Solution

1. Step 1: Write the proportion equation
   23,969,855.82 : 33,078,402.18 = 12,956,569.44 : x
2. Step 2: Convert to fraction form
   23,969,855.82/33,078,402.18 = 12,956,569.44/x
3. Step 3: Cross multiply
   23,969,855.82x = 33,078,402.18 × 12,956,569.44
4. Step 4: Simplify right side
   23,969,855.82x = 428,582,614,809,417.38
5. Step 5: Solve for x
   x = 428,582,614,809,417.38/23,969,855.82
6. Step 6: Final answer
   x = 17,880,066.45