Finding the Fourth Proportional to 151,029.18, 208,425.62 and 83,051.31

Step by Step Solution

1. Step 1: Write the proportion equation
   151,029.18 : 208,425.62 = 83,051.31 : x
2. Step 2: Convert to fraction form
   151,029.18/208,425.62 = 83,051.31/x
3. Step 3: Cross multiply
   151,029.18x = 208,425.62 × 83,051.31
4. Step 4: Simplify right side
   151,029.18x = 17,310,020,778.56
5. Step 5: Solve for x
   x = 17,310,020,778.56/151,029.18
6. Step 6: Final answer
   x = 114,613.75