Finding the Fourth Proportional to 89,637,282.17, 123,699,728.61 and 51,967,788.29

Step by Step Solution

1. Step 1: Write the proportion equation
   89,637,282.17 : 123,699,728.61 = 51,967,788.29 : x
2. Step 2: Convert to fraction form
   89,637,282.17/123,699,728.61 = 51,967,788.29/x
3. Step 3: Cross multiply
   89,637,282.17x = 123,699,728.61 × 51,967,788.29
4. Step 4: Simplify right side
   89,637,282.17x = 6,428,401,307,934,936
5. Step 5: Solve for x
   x = 6,428,401,307,934,936/89,637,282.17
6. Step 6: Final answer
   x = 71,715,709.72