Finding the Fourth Proportional to 9,897.57, 14,824.80 and 4,958.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,897.57 : 14,824.80 = 4,958.61 : x
2. Step 2: Convert to fraction form
   9,897.57/14,824.80 = 4,958.61/x
3. Step 3: Cross multiply
   9,897.57x = 14,824.80 × 4,958.61
4. Step 4: Simplify right side
   9,897.57x = 73,510,401.53
5. Step 5: Solve for x
   x = 73,510,401.53/9,897.57
6. Step 6: Final answer
   x = 7,427.12