Finding the Fourth Proportional to 151,606.98, 209,218.62 and 83,625.78

Step by Step Solution

1. Step 1: Write the proportion equation
   151,606.98 : 209,218.62 = 83,625.78 : x
2. Step 2: Convert to fraction form
   151,606.98/209,218.62 = 83,625.78/x
3. Step 3: Cross multiply
   151,606.98x = 209,218.62 × 83,625.78
4. Step 4: Simplify right side
   151,606.98x = 17,496,070,288.02
5. Step 5: Solve for x
   x = 17,496,070,288.02/151,606.98
6. Step 6: Final answer
   x = 115,404.12