Finding the Fourth Proportional to 151,900.50, 209,621.79 and 83,922.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,900.50 : 209,621.79 = 83,922.15 : x
2. Step 2: Convert to fraction form
   151,900.50/209,621.79 = 83,922.15/x
3. Step 3: Cross multiply
   151,900.50x = 209,621.79 × 83,922.15
4. Step 4: Simplify right side
   151,900.50x = 17,591,911,303.65
5. Step 5: Solve for x
   x = 17,591,911,303.65/151,900.50
6. Step 6: Final answer
   x = 115,812.07