Finding the Fourth Proportional to 151,317.18, 208,818.27 and 84,249.18

Step by Step Solution

1. Step 1: Write the proportion equation
   151,317.18 : 208,818.27 = 84,249.18 : x
2. Step 2: Convert to fraction form
   151,317.18/208,818.27 = 84,249.18/x
3. Step 3: Cross multiply
   151,317.18x = 208,818.27 × 84,249.18
4. Step 4: Simplify right side
   151,317.18x = 17,592,768,016.52
5. Step 5: Solve for x
   x = 17,592,768,016.52/151,317.18
6. Step 6: Final answer
   x = 116,264.18