Finding the Fourth Proportional to 80,788.86, 121,076.37 and 61,997.09

Step by Step Solution

1. Step 1: Write the proportion equation
   80,788.86 : 121,076.37 = 61,997.09 : x
2. Step 2: Convert to fraction form
   80,788.86/121,076.37 = 61,997.09/x
3. Step 3: Cross multiply
   80,788.86x = 121,076.37 × 61,997.09
4. Step 4: Simplify right side
   80,788.86x = 7,506,382,002.38
5. Step 5: Solve for x
   x = 7,506,382,002.38/80,788.86
6. Step 6: Final answer
   x = 92,913.58