Finding the Fourth Proportional to 6,053.78, 8,355.20 and 5,043.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,053.78 : 8,355.20 = 5,043.88 : x
2. Step 2: Convert to fraction form
   6,053.78/8,355.20 = 5,043.88/x
3. Step 3: Cross multiply
   6,053.78x = 8,355.20 × 5,043.88
4. Step 4: Simplify right side
   6,053.78x = 42,142,626.18
5. Step 5: Solve for x
   x = 42,142,626.18/6,053.78
6. Step 6: Final answer
   x = 6,961.37