Finding the Fourth Proportional to 42,705.29, 64,015.06 and 14,606.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,705.29 : 64,015.06 = 14,606.14 : x
2. Step 2: Convert to fraction form
   42,705.29/64,015.06 = 14,606.14/x
3. Step 3: Cross multiply
   42,705.29x = 64,015.06 × 14,606.14
4. Step 4: Simplify right side
   42,705.29x = 935,012,879.33
5. Step 5: Solve for x
   x = 935,012,879.33/42,705.29
6. Step 6: Final answer
   x = 21,894.54