Finding the Fourth Proportional to 151,172.48, 208,613.60 and 83,189.43

Step by Step Solution

1. Step 1: Write the proportion equation
   151,172.48 : 208,613.60 = 83,189.43 : x
2. Step 2: Convert to fraction form
   151,172.48/208,613.60 = 83,189.43/x
3. Step 3: Cross multiply
   151,172.48x = 208,613.60 × 83,189.43
4. Step 4: Simplify right side
   151,172.48x = 17,354,446,058.30
5. Step 5: Solve for x
   x = 17,354,446,058.30/151,172.48
6. Step 6: Final answer
   x = 114,798.98