Finding the Fourth Proportional to 28,510.57, 42,765.96 and 9,796.01

Step by Step Solution

1. Step 1: Write the proportion equation
   28,510.57 : 42,765.96 = 9,796.01 : x
2. Step 2: Convert to fraction form
   28,510.57/42,765.96 = 9,796.01/x
3. Step 3: Cross multiply
   28,510.57x = 42,765.96 × 9,796.01
4. Step 4: Simplify right side
   28,510.57x = 418,935,594.72
5. Step 5: Solve for x
   x = 418,935,594.72/28,510.57
6. Step 6: Final answer
   x = 14,694.04