Finding the Fourth Proportional to 158,996.00, 219,413.76 and 91,012.59

Step by Step Solution

1. Step 1: Write the proportion equation
   158,996.00 : 219,413.76 = 91,012.59 : x
2. Step 2: Convert to fraction form
   158,996.00/219,413.76 = 91,012.59/x
3. Step 3: Cross multiply
   158,996.00x = 219,413.76 × 91,012.59
4. Step 4: Simplify right side
   158,996.00x = 19,969,414,579.24
5. Step 5: Solve for x
   x = 19,969,414,579.24/158,996.00
6. Step 6: Final answer
   x = 125,596.97