Finding the Fourth Proportional to 6,442.56, 8,892.42 and 3,790.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,442.56 : 8,892.42 = 3,790.83 : x
2. Step 2: Convert to fraction form
   6,442.56/8,892.42 = 3,790.83/x
3. Step 3: Cross multiply
   6,442.56x = 8,892.42 × 3,790.83
4. Step 4: Simplify right side
   6,442.56x = 33,709,652.51
5. Step 5: Solve for x
   x = 33,709,652.51/6,442.56
6. Step 6: Final answer
   x = 5,232.34