Finding the Fourth Proportional to 5,910.78, 8,156.52 and 3,392.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,910.78 : 8,156.52 = 3,392.34 : x
2. Step 2: Convert to fraction form
   5,910.78/8,156.52 = 3,392.34/x
3. Step 3: Cross multiply
   5,910.78x = 8,156.52 × 3,392.34
4. Step 4: Simplify right side
   5,910.78x = 27,669,689.06
5. Step 5: Solve for x
   x = 27,669,689.06/5,910.78
6. Step 6: Final answer
   x = 4,681.22