Finding the Fourth Proportional to 106,469.54, 146,925.39 and 58,721.86

Step by Step Solution

1. Step 1: Write the proportion equation
   106,469.54 : 146,925.39 = 58,721.86 : x
2. Step 2: Convert to fraction form
   106,469.54/146,925.39 = 58,721.86/x
3. Step 3: Cross multiply
   106,469.54x = 146,925.39 × 58,721.86
4. Step 4: Simplify right side
   106,469.54x = 8,627,732,585.89
5. Step 5: Solve for x
   x = 8,627,732,585.89/106,469.54
6. Step 6: Final answer
   x = 81,034.75