Finding the Fourth Proportional to 42,760.80, 64,095.84 and 16,454.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,760.80 : 64,095.84 = 16,454.16 : x
2. Step 2: Convert to fraction form
   42,760.80/64,095.84 = 16,454.16/x
3. Step 3: Cross multiply
   42,760.80x = 64,095.84 × 16,454.16
4. Step 4: Simplify right side
   42,760.80x = 1,054,643,206.69
5. Step 5: Solve for x
   x = 1,054,643,206.69/42,760.80
6. Step 6: Final answer
   x = 24,663.79