Finding the Fourth Proportional to 151,729.37, 209,457.39 and 88,054.86

Step by Step Solution

1. Step 1: Write the proportion equation
   151,729.37 : 209,457.39 = 88,054.86 : x
2. Step 2: Convert to fraction form
   151,729.37/209,457.39 = 88,054.86/x
3. Step 3: Cross multiply
   151,729.37x = 209,457.39 × 88,054.86
4. Step 4: Simplify right side
   151,729.37x = 18,443,741,152.42
5. Step 5: Solve for x
   x = 18,443,741,152.42/151,729.37
6. Step 6: Final answer
   x = 121,556.83