Finding the Fourth Proportional to 7,205.84, 10,785.27 and 3,910.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,205.84 : 10,785.27 = 3,910.76 : x
2. Step 2: Convert to fraction form
   7,205.84/10,785.27 = 3,910.76/x
3. Step 3: Cross multiply
   7,205.84x = 10,785.27 × 3,910.76
4. Step 4: Simplify right side
   7,205.84x = 42,178,602.51
5. Step 5: Solve for x
   x = 42,178,602.51/7,205.84
6. Step 6: Final answer
   x = 5,853.39