Finding the Fourth Proportional to 51,008,964.89, 76,513,791.58 and 18,647,554.10

Step by Step Solution

1. Step 1: Write the proportion equation
   51,008,964.89 : 76,513,791.58 = 18,647,554.10 : x
2. Step 2: Convert to fraction form
   51,008,964.89/76,513,791.58 = 18,647,554.10/x
3. Step 3: Cross multiply
   51,008,964.89x = 76,513,791.58 × 18,647,554.10
4. Step 4: Simplify right side
   51,008,964.89x = 1,426,795,067,454,986.50
5. Step 5: Solve for x
   x = 1,426,795,067,454,986.50/51,008,964.89
6. Step 6: Final answer
   x = 27,971,456.99