Finding the Fourth Proportional to 401,613.39, 602,401.86 and 176,913.72

Step by Step Solution

1. Step 1: Write the proportion equation
   401,613.39 : 602,401.86 = 176,913.72 : x
2. Step 2: Convert to fraction form
   401,613.39/602,401.86 = 176,913.72/x
3. Step 3: Cross multiply
   401,613.39x = 602,401.86 × 176,913.72
4. Step 4: Simplify right side
   401,613.39x = 106,573,153,987.52
5. Step 5: Solve for x
   x = 106,573,153,987.52/401,613.39
6. Step 6: Final answer
   x = 265,362.55