Finding the Fourth Proportional to 150,956.29, 208,287.88 and 83,886.85

Step by Step Solution

1. Step 1: Write the proportion equation
   150,956.29 : 208,287.88 = 83,886.85 : x
2. Step 2: Convert to fraction form
   150,956.29/208,287.88 = 83,886.85/x
3. Step 3: Cross multiply
   150,956.29x = 208,287.88 × 83,886.85
4. Step 4: Simplify right side
   150,956.29x = 17,472,614,146.38
5. Step 5: Solve for x
   x = 17,472,614,146.38/150,956.29
6. Step 6: Final answer
   x = 115,746.18