Finding the Fourth Proportional to 42,944.32, 64,420.89 and 14,864.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,944.32 : 64,420.89 = 14,864.33 : x
2. Step 2: Convert to fraction form
   42,944.32/64,420.89 = 14,864.33/x
3. Step 3: Cross multiply
   42,944.32x = 64,420.89 × 14,864.33
4. Step 4: Simplify right side
   42,944.32x = 957,573,045.75
5. Step 5: Solve for x
   x = 957,573,045.75/42,944.32
6. Step 6: Final answer
   x = 22,298.02