Finding the Fourth Proportional to 42,968.48, 64,429.78 and 14,881.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,968.48 : 64,429.78 = 14,881.32 : x
2. Step 2: Convert to fraction form
   42,968.48/64,429.78 = 14,881.32/x
3. Step 3: Cross multiply
   42,968.48x = 64,429.78 × 14,881.32
4. Step 4: Simplify right side
   42,968.48x = 958,800,164.41
5. Step 5: Solve for x
   x = 958,800,164.41/42,968.48
6. Step 6: Final answer
   x = 22,314.04