Finding the Fourth Proportional to 354,404.35, 531,608.46 and 88,164.86

Step by Step Solution

1. Step 1: Write the proportion equation
   354,404.35 : 531,608.46 = 88,164.86 : x
2. Step 2: Convert to fraction form
   354,404.35/531,608.46 = 88,164.86/x
3. Step 3: Cross multiply
   354,404.35x = 531,608.46 × 88,164.86
4. Step 4: Simplify right side
   354,404.35x = 46,869,185,009.89
5. Step 5: Solve for x
   x = 46,869,185,009.89/354,404.35
6. Step 6: Final answer
   x = 132,247.77