Finding the Fourth Proportional to 146,978.09, 202,825.85 and 83,315.73

Step by Step Solution

1. Step 1: Write the proportion equation
   146,978.09 : 202,825.85 = 83,315.73 : x
2. Step 2: Convert to fraction form
   146,978.09/202,825.85 = 83,315.73/x
3. Step 3: Cross multiply
   146,978.09x = 202,825.85 × 83,315.73
4. Step 4: Simplify right side
   146,978.09x = 16,898,583,339.04
5. Step 5: Solve for x
   x = 16,898,583,339.04/146,978.09
6. Step 6: Final answer
   x = 114,973.49