Finding the Fourth Proportional to 151,494.72, 209,062.68 and 83,512.83

Step by Step Solution

1. Step 1: Write the proportion equation
   151,494.72 : 209,062.68 = 83,512.83 : x
2. Step 2: Convert to fraction form
   151,494.72/209,062.68 = 83,512.83/x
3. Step 3: Cross multiply
   151,494.72x = 209,062.68 × 83,512.83
4. Step 4: Simplify right side
   151,494.72x = 17,459,416,054.18
5. Step 5: Solve for x
   x = 17,459,416,054.18/151,494.72
6. Step 6: Final answer
   x = 115,247.69