Finding the Fourth Proportional to 150,620.72, 207,856.84 and 83,552.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,620.72 : 207,856.84 = 83,552.72 : x
2. Step 2: Convert to fraction form
   150,620.72/207,856.84 = 83,552.72/x
3. Step 3: Cross multiply
   150,620.72x = 207,856.84 × 83,552.72
4. Step 4: Simplify right side
   150,620.72x = 17,367,004,352.60
5. Step 5: Solve for x
   x = 17,367,004,352.60/150,620.72
6. Step 6: Final answer
   x = 115,302.89