Finding the Fourth Proportional to 293,451.50, 404,963.07 and 159,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   293,451.50 : 404,963.07 = 159,315.50 : x
2. Step 2: Convert to fraction form
   293,451.50/404,963.07 = 159,315.50/x
3. Step 3: Cross multiply
   293,451.50x = 404,963.07 × 159,315.50
4. Step 4: Simplify right side
   293,451.50x = 64,516,893,978.59
5. Step 5: Solve for x
   x = 64,516,893,978.59/293,451.50
6. Step 6: Final answer
   x = 219,855.39