Finding the Fourth Proportional to 9,880.32, 13,635.06 and 5,900.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,880.32 : 13,635.06 = 5,900.69 : x
2. Step 2: Convert to fraction form
   9,880.32/13,635.06 = 5,900.69/x
3. Step 3: Cross multiply
   9,880.32x = 13,635.06 × 5,900.69
4. Step 4: Simplify right side
   9,880.32x = 80,456,194.02
5. Step 5: Solve for x
   x = 80,456,194.02/9,880.32
6. Step 6: Final answer
   x = 8,143.08