Finding the Fourth Proportional to 151,131.48, 208,561.46 and 83,147

Step by Step Solution

1. Step 1: Write the proportion equation
   151,131.48 : 208,561.46 = 83,147 : x
2. Step 2: Convert to fraction form
   151,131.48/208,561.46 = 83,147/x
3. Step 3: Cross multiply
   151,131.48x = 208,561.46 × 83,147
4. Step 4: Simplify right side
   151,131.48x = 17,341,259,714.62
5. Step 5: Solve for x
   x = 17,341,259,714.62/151,131.48
6. Step 6: Final answer
   x = 114,742.87