Finding the Fourth Proportional to 158,974.73, 219,397.33 and 91,013.02

Step by Step Solution

1. Step 1: Write the proportion equation
   158,974.73 : 219,397.33 = 91,013.02 : x
2. Step 2: Convert to fraction form
   158,974.73/219,397.33 = 91,013.02/x
3. Step 3: Cross multiply
   158,974.73x = 219,397.33 × 91,013.02
4. Step 4: Simplify right side
   158,974.73x = 19,968,012,807.21
5. Step 5: Solve for x
   x = 19,968,012,807.21/158,974.73
6. Step 6: Final answer
   x = 125,604.95