Finding the Fourth Proportional to 9,850.30, 14,763.13 and 4,921.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,850.30 : 14,763.13 = 4,921.32 : x
2. Step 2: Convert to fraction form
   9,850.30/14,763.13 = 4,921.32/x
3. Step 3: Cross multiply
   9,850.30x = 14,763.13 × 4,921.32
4. Step 4: Simplify right side
   9,850.30x = 72,654,086.93
5. Step 5: Solve for x
   x = 72,654,086.93/9,850.30
6. Step 6: Final answer
   x = 7,375.82