Finding the Fourth Proportional to 151,653.72, 209,282.84 and 83,671.52

Step by Step Solution

1. Step 1: Write the proportion equation
   151,653.72 : 209,282.84 = 83,671.52 : x
2. Step 2: Convert to fraction form
   151,653.72/209,282.84 = 83,671.52/x
3. Step 3: Cross multiply
   151,653.72x = 209,282.84 × 83,671.52
4. Step 4: Simplify right side
   151,653.72x = 17,511,013,332.72
5. Step 5: Solve for x
   x = 17,511,013,332.72/151,653.72
6. Step 6: Final answer
   x = 115,467.09