Finding the Fourth Proportional to 9,933.76, 14,890.86 and 4,743.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,933.76 : 14,890.86 = 4,743.28 : x
2. Step 2: Convert to fraction form
   9,933.76/14,890.86 = 4,743.28/x
3. Step 3: Cross multiply
   9,933.76x = 14,890.86 × 4,743.28
4. Step 4: Simplify right side
   9,933.76x = 70,631,518.42
5. Step 5: Solve for x
   x = 70,631,518.42/9,933.76
6. Step 6: Final answer
   x = 7,110.25