Finding the Fourth Proportional to 401,538.15, 602,087.31 and 185,162.04

Step by Step Solution

1. Step 1: Write the proportion equation
   401,538.15 : 602,087.31 = 185,162.04 : x
2. Step 2: Convert to fraction form
   401,538.15/602,087.31 = 185,162.04/x
3. Step 3: Cross multiply
   401,538.15x = 602,087.31 × 185,162.04
4. Step 4: Simplify right side
   401,538.15x = 111,483,714,577.71
5. Step 5: Solve for x
   x = 111,483,714,577.71/401,538.15
6. Step 6: Final answer
   x = 277,641.65