Finding the Fourth Proportional to 150,619.72, 207,855.46 and 83,551.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,619.72 : 207,855.46 = 83,551.72 : x
2. Step 2: Convert to fraction form
   150,619.72/207,855.46 = 83,551.72/x
3. Step 3: Cross multiply
   150,619.72x = 207,855.46 × 83,551.72
4. Step 4: Simplify right side
   150,619.72x = 17,366,681,194.39
5. Step 5: Solve for x
   x = 17,366,681,194.39/150,619.72
6. Step 6: Final answer
   x = 115,301.51