Finding the Fourth Proportional to 42,964.94, 64,428.38 and 22,969.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,964.94 : 64,428.38 = 22,969.58 : x
2. Step 2: Convert to fraction form
   42,964.94/64,428.38 = 22,969.58/x
3. Step 3: Cross multiply
   42,964.94x = 64,428.38 × 22,969.58
4. Step 4: Simplify right side
   42,964.94x = 1,479,892,828.68
5. Step 5: Solve for x
   x = 1,479,892,828.68/42,964.94
6. Step 6: Final answer
   x = 34,444.20