Finding the Fourth Proportional to 151,019.90, 208,402.12 and 83,036.39

Step by Step Solution

1. Step 1: Write the proportion equation
   151,019.90 : 208,402.12 = 83,036.39 : x
2. Step 2: Convert to fraction form
   151,019.90/208,402.12 = 83,036.39/x
3. Step 3: Cross multiply
   151,019.90x = 208,402.12 × 83,036.39
4. Step 4: Simplify right side
   151,019.90x = 17,304,959,297.96
5. Step 5: Solve for x
   x = 17,304,959,297.96/151,019.90
6. Step 6: Final answer
   x = 114,587.28