Finding the Fourth Proportional to 404,741.25, 607,141.35 and 155,423.25

Step by Step Solution

1. Step 1: Write the proportion equation
   404,741.25 : 607,141.35 = 155,423.25 : x
2. Step 2: Convert to fraction form
   404,741.25/607,141.35 = 155,423.25/x
3. Step 3: Cross multiply
   404,741.25x = 607,141.35 × 155,423.25
4. Step 4: Simplify right side
   404,741.25x = 94,363,881,826.39
5. Step 5: Solve for x
   x = 94,363,881,826.39/404,741.25
6. Step 6: Final answer
   x = 233,146.19