Finding the Fourth Proportional to 151,126.53, 208,554.60 and 83,142.03

Step by Step Solution

1. Step 1: Write the proportion equation
   151,126.53 : 208,554.60 = 83,142.03 : x
2. Step 2: Convert to fraction form
   151,126.53/208,554.60 = 83,142.03/x
3. Step 3: Cross multiply
   151,126.53x = 208,554.60 × 83,142.03
4. Step 4: Simplify right side
   151,126.53x = 17,339,653,436.03
5. Step 5: Solve for x
   x = 17,339,653,436.03/151,126.53
6. Step 6: Final answer
   x = 114,736.00