Finding the Fourth Proportional to 7,642.01, 10,548.22 and 4,989.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,642.01 : 10,548.22 = 4,989.83 : x
2. Step 2: Convert to fraction form
   7,642.01/10,548.22 = 4,989.83/x
3. Step 3: Cross multiply
   7,642.01x = 10,548.22 × 4,989.83
4. Step 4: Simplify right side
   7,642.01x = 52,633,759.39
5. Step 5: Solve for x
   x = 52,633,759.39/7,642.01
6. Step 6: Final answer
   x = 6,887.43