Finding the Fourth Proportional to 6,156.18, 9,222.84 and 3,378.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,156.18 : 9,222.84 = 3,378.78 : x
2. Step 2: Convert to fraction form
   6,156.18/9,222.84 = 3,378.78/x
3. Step 3: Cross multiply
   6,156.18x = 9,222.84 × 3,378.78
4. Step 4: Simplify right side
   6,156.18x = 31,161,947.34
5. Step 5: Solve for x
   x = 31,161,947.34/6,156.18
6. Step 6: Final answer
   x = 5,061.90