Finding the Fourth Proportional to 151,706.87, 209,357.69 and 83,727.01

Step by Step Solution

1. Step 1: Write the proportion equation
   151,706.87 : 209,357.69 = 83,727.01 : x
2. Step 2: Convert to fraction form
   151,706.87/209,357.69 = 83,727.01/x
3. Step 3: Cross multiply
   151,706.87x = 209,357.69 × 83,727.01
4. Step 4: Simplify right side
   151,706.87x = 17,528,892,462.18
5. Step 5: Solve for x
   x = 17,528,892,462.18/151,706.87
6. Step 6: Final answer
   x = 115,544.49