Finding the Fourth Proportional to 150,659.29, 207,858.33 and 86,082.19

Step by Step Solution

1. Step 1: Write the proportion equation
   150,659.29 : 207,858.33 = 86,082.19 : x
2. Step 2: Convert to fraction form
   150,659.29/207,858.33 = 86,082.19/x
3. Step 3: Cross multiply
   150,659.29x = 207,858.33 × 86,082.19
4. Step 4: Simplify right side
   150,659.29x = 17,892,900,663.59
5. Step 5: Solve for x
   x = 17,892,900,663.59/150,659.29
6. Step 6: Final answer
   x = 118,764.00