Finding the Fourth Proportional to 8,997.86, 12,410.62 and 7,800.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,997.86 : 12,410.62 = 7,800.71 : x
2. Step 2: Convert to fraction form
   8,997.86/12,410.62 = 7,800.71/x
3. Step 3: Cross multiply
   8,997.86x = 12,410.62 × 7,800.71
4. Step 4: Simplify right side
   8,997.86x = 96,811,546.48
5. Step 5: Solve for x
   x = 96,811,546.48/8,997.86
6. Step 6: Final answer
   x = 10,759.40