Finding the Fourth Proportional to 6,433.77, 8,877.86 and 3,601.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,433.77 : 8,877.86 = 3,601.31 : x
2. Step 2: Convert to fraction form
   6,433.77/8,877.86 = 3,601.31/x
3. Step 3: Cross multiply
   6,433.77x = 8,877.86 × 3,601.31
4. Step 4: Simplify right side
   6,433.77x = 31,971,881.61
5. Step 5: Solve for x
   x = 31,971,881.61/6,433.77
6. Step 6: Final answer
   x = 4,969.38