Finding the Fourth Proportional to 404,390.94, 606,664.17 and 155,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,390.94 : 606,664.17 = 155,053.50 : x
2. Step 2: Convert to fraction form
   404,390.94/606,664.17 = 155,053.50/x
3. Step 3: Cross multiply
   404,390.94x = 606,664.17 × 155,053.50
4. Step 4: Simplify right side
   404,390.94x = 94,065,402,883.10
5. Step 5: Solve for x
   x = 94,065,402,883.10/404,390.94
6. Step 6: Final answer
   x = 232,610.07