Finding the Fourth Proportional to 404,564.50, 606,875.91 and 155,246.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,564.50 : 606,875.91 = 155,246.50 : x
2. Step 2: Convert to fraction form
   404,564.50/606,875.91 = 155,246.50/x
3. Step 3: Cross multiply
   404,564.50x = 606,875.91 × 155,246.50
4. Step 4: Simplify right side
   404,564.50x = 94,215,360,961.82
5. Step 5: Solve for x
   x = 94,215,360,961.82/404,564.50
6. Step 6: Final answer
   x = 232,880.94