Finding the Fourth Proportional to 9,877.17, 13,630.46 and 5,900.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,877.17 : 13,630.46 = 5,900.61 : x
2. Step 2: Convert to fraction form
   9,877.17/13,630.46 = 5,900.61/x
3. Step 3: Cross multiply
   9,877.17x = 13,630.46 × 5,900.61
4. Step 4: Simplify right side
   9,877.17x = 80,427,930.93
5. Step 5: Solve for x
   x = 80,427,930.93/9,877.17
6. Step 6: Final answer
   x = 8,142.82