Finding the Fourth Proportional to 42,898.52, 64,260.18 and 22,078.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,898.52 : 64,260.18 = 22,078.28 : x
2. Step 2: Convert to fraction form
   42,898.52/64,260.18 = 22,078.28/x
3. Step 3: Cross multiply
   42,898.52x = 64,260.18 × 22,078.28
4. Step 4: Simplify right side
   42,898.52x = 1,418,754,246.89
5. Step 5: Solve for x
   x = 1,418,754,246.89/42,898.52
6. Step 6: Final answer
   x = 33,072.34