Finding the Fourth Proportional to 6,385.95, 8,812.71 and 3,591.45

Step by Step Solution

1. Step 1: Write the proportion equation
   6,385.95 : 8,812.71 = 3,591.45 : x
2. Step 2: Convert to fraction form
   6,385.95/8,812.71 = 3,591.45/x
3. Step 3: Cross multiply
   6,385.95x = 8,812.71 × 3,591.45
4. Step 4: Simplify right side
   6,385.95x = 31,650,407.33
5. Step 5: Solve for x
   x = 31,650,407.33/6,385.95
6. Step 6: Final answer
   x = 4,956.26