Finding the Fourth Proportional to 9,535.48, 14,307.30 and 4,921.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,535.48 : 14,307.30 = 4,921.72 : x
2. Step 2: Convert to fraction form
   9,535.48/14,307.30 = 4,921.72/x
3. Step 3: Cross multiply
   9,535.48x = 14,307.30 × 4,921.72
4. Step 4: Simplify right side
   9,535.48x = 70,416,524.56
5. Step 5: Solve for x
   x = 70,416,524.56/9,535.48
6. Step 6: Final answer
   x = 7,384.69