Finding the Fourth Proportional to 150,290, 207,415.32 and 83,222

Step by Step Solution

1. Step 1: Write the proportion equation
   150,290 : 207,415.32 = 83,222 : x
2. Step 2: Convert to fraction form
   150,290/207,415.32 = 83,222/x
3. Step 3: Cross multiply
   150,290x = 207,415.32 × 83,222
4. Step 4: Simplify right side
   150,290x = 17,261,517,761.04
5. Step 5: Solve for x
   x = 17,261,517,761.04/150,290
6. Step 6: Final answer
   x = 114,854.73