Finding the Fourth Proportional to 9,900.76, 14,841.42 and 4,710.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.76 : 14,841.42 = 4,710.28 : x
2. Step 2: Convert to fraction form
   9,900.76/14,841.42 = 4,710.28/x
3. Step 3: Cross multiply
   9,900.76x = 14,841.42 × 4,710.28
4. Step 4: Simplify right side
   9,900.76x = 69,907,243.80
5. Step 5: Solve for x
   x = 69,907,243.80/9,900.76
6. Step 6: Final answer
   x = 7,060.80