Finding the Fourth Proportional to 150,404.72, 207,547.52 and 82,410.90

Step by Step Solution

1. Step 1: Write the proportion equation
   150,404.72 : 207,547.52 = 82,410.90 : x
2. Step 2: Convert to fraction form
   150,404.72/207,547.52 = 82,410.90/x
3. Step 3: Cross multiply
   150,404.72x = 207,547.52 × 82,410.90
4. Step 4: Simplify right side
   150,404.72x = 17,104,177,915.97
5. Step 5: Solve for x
   x = 17,104,177,915.97/150,404.72
6. Step 6: Final answer
   x = 113,721.02