Finding the Fourth Proportional to 106,383.52, 146,810.28 and 58,638.72

Step by Step Solution

1. Step 1: Write the proportion equation
   106,383.52 : 146,810.28 = 58,638.72 : x
2. Step 2: Convert to fraction form
   106,383.52/146,810.28 = 58,638.72/x
3. Step 3: Cross multiply
   106,383.52x = 146,810.28 × 58,638.72
4. Step 4: Simplify right side
   106,383.52x = 8,608,766,902.04
5. Step 5: Solve for x
   x = 8,608,766,902.04/106,383.52
6. Step 6: Final answer
   x = 80,922.00