Finding the Fourth Proportional to 150,609.72, 207,841.62 and 83,541.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,609.72 : 207,841.62 = 83,541.72 : x
2. Step 2: Convert to fraction form
   150,609.72/207,841.62 = 83,541.72/x
3. Step 3: Cross multiply
   150,609.72x = 207,841.62 × 83,541.72
4. Step 4: Simplify right side
   150,609.72x = 17,363,446,422.39
5. Step 5: Solve for x
   x = 17,363,446,422.39/150,609.72
6. Step 6: Final answer
   x = 115,287.69