Finding the Fourth Proportional to 6,638.15, 9,955.41 and 5,901.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,638.15 : 9,955.41 = 5,901.86 : x
2. Step 2: Convert to fraction form
   6,638.15/9,955.41 = 5,901.86/x
3. Step 3: Cross multiply
   6,638.15x = 9,955.41 × 5,901.86
4. Step 4: Simplify right side
   6,638.15x = 58,755,438.82
5. Step 5: Solve for x
   x = 58,755,438.82/6,638.15
6. Step 6: Final answer
   x = 8,851.17