Finding the Fourth Proportional to 42,995.61, 64,488.56 and 14,910.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,995.61 : 64,488.56 = 14,910.48 : x
2. Step 2: Convert to fraction form
   42,995.61/64,488.56 = 14,910.48/x
3. Step 3: Cross multiply
   42,995.61x = 64,488.56 × 14,910.48
4. Step 4: Simplify right side
   42,995.61x = 961,555,309.56
5. Step 5: Solve for x
   x = 961,555,309.56/42,995.61
6. Step 6: Final answer
   x = 22,364.03