Finding the Fourth Proportional to 9,865.05, 14,780.83 and 5,961.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,865.05 : 14,780.83 = 5,961.25 : x
2. Step 2: Convert to fraction form
   9,865.05/14,780.83 = 5,961.25/x
3. Step 3: Cross multiply
   9,865.05x = 14,780.83 × 5,961.25
4. Step 4: Simplify right side
   9,865.05x = 88,112,222.84
5. Step 5: Solve for x
   x = 88,112,222.84/9,865.05
6. Step 6: Final answer
   x = 8,931.76