Finding the Fourth Proportional to 149,443.52, 206,235.89 and 84,910.61

Step by Step Solution

1. Step 1: Write the proportion equation
   149,443.52 : 206,235.89 = 84,910.61 : x
2. Step 2: Convert to fraction form
   149,443.52/206,235.89 = 84,910.61/x
3. Step 3: Cross multiply
   149,443.52x = 206,235.89 × 84,910.61
4. Step 4: Simplify right side
   149,443.52x = 17,511,615,633.24
5. Step 5: Solve for x
   x = 17,511,615,633.24/149,443.52
6. Step 6: Final answer
   x = 117,178.83