Finding the Fourth Proportional to 893,667.52, 1,340,489.68 and 219,754.72

Step by Step Solution

1. Step 1: Write the proportion equation
   893,667.52 : 1,340,489.68 = 219,754.72 : x
2. Step 2: Convert to fraction form
   893,667.52/1,340,489.68 = 219,754.72/x
3. Step 3: Cross multiply
   893,667.52x = 1,340,489.68 × 219,754.72
4. Step 4: Simplify right side
   893,667.52x = 294,578,934,291.29
5. Step 5: Solve for x
   x = 294,578,934,291.29/893,667.52
6. Step 6: Final answer
   x = 329,629.23