Finding the Fourth Proportional to 404,654.76, 607,060.30 and 155,317.32

Step by Step Solution

1. Step 1: Write the proportion equation
   404,654.76 : 607,060.30 = 155,317.32 : x
2. Step 2: Convert to fraction form
   404,654.76/607,060.30 = 155,317.32/x
3. Step 3: Cross multiply
   404,654.76x = 607,060.30 × 155,317.32
4. Step 4: Simplify right side
   404,654.76x = 94,286,978,874.40
5. Step 5: Solve for x
   x = 94,286,978,874.40/404,654.76
6. Step 6: Final answer
   x = 233,005.98