Finding the Fourth Proportional to 9,976.88, 14,965.34 and 4,133.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.88 : 14,965.34 = 4,133.63 : x
2. Step 2: Convert to fraction form
   9,976.88/14,965.34 = 4,133.63/x
3. Step 3: Cross multiply
   9,976.88x = 14,965.34 × 4,133.63
4. Step 4: Simplify right side
   9,976.88x = 61,861,082.89
5. Step 5: Solve for x
   x = 61,861,082.89/9,976.88
6. Step 6: Final answer
   x = 6,200.45