Finding the Fourth Proportional to 6,157.77, 8,505.61 and 5,052.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,157.77 : 8,505.61 = 5,052.43 : x
2. Step 2: Convert to fraction form
   6,157.77/8,505.61 = 5,052.43/x
3. Step 3: Cross multiply
   6,157.77x = 8,505.61 × 5,052.43
4. Step 4: Simplify right side
   6,157.77x = 42,973,949.29
5. Step 5: Solve for x
   x = 42,973,949.29/6,157.77
6. Step 6: Final answer
   x = 6,978.81