Finding the Fourth Proportional to 150,714, 207,985.32 and 83,646

Step by Step Solution

1. Step 1: Write the proportion equation
   150,714 : 207,985.32 = 83,646 : x
2. Step 2: Convert to fraction form
   150,714/207,985.32 = 83,646/x
3. Step 3: Cross multiply
   150,714x = 207,985.32 × 83,646
4. Step 4: Simplify right side
   150,714x = 17,397,140,076.72
5. Step 5: Solve for x
   x = 17,397,140,076.72/150,714
6. Step 6: Final answer
   x = 115,431.48