Finding the Fourth Proportional to 293,026.50, 404,376.78 and 158,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   293,026.50 : 404,376.78 = 158,890.50 : x
2. Step 2: Convert to fraction form
   293,026.50/404,376.78 = 158,890.50/x
3. Step 3: Cross multiply
   293,026.50x = 404,376.78 × 158,890.50
4. Step 4: Simplify right side
   293,026.50x = 64,251,628,762.59
5. Step 5: Solve for x
   x = 64,251,628,762.59/293,026.50
6. Step 6: Final answer
   x = 219,269.00