Finding the Fourth Proportional to 42,695.78, 64,052.31 and 14,995.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,695.78 : 64,052.31 = 14,995.94 : x
2. Step 2: Convert to fraction form
   42,695.78/64,052.31 = 14,995.94/x
3. Step 3: Cross multiply
   42,695.78x = 64,052.31 × 14,995.94
4. Step 4: Simplify right side
   42,695.78x = 960,524,597.62
5. Step 5: Solve for x
   x = 960,524,597.62/42,695.78
6. Step 6: Final answer
   x = 22,496.94