Finding the Fourth Proportional to 106,397.72, 146,828.82 and 58,651.86

Step by Step Solution

1. Step 1: Write the proportion equation
   106,397.72 : 146,828.82 = 58,651.86 : x
2. Step 2: Convert to fraction form
   106,397.72/146,828.82 = 58,651.86/x
3. Step 3: Cross multiply
   106,397.72x = 146,828.82 × 58,651.86
4. Step 4: Simplify right side
   106,397.72x = 8,611,783,394.61
5. Step 5: Solve for x
   x = 8,611,783,394.61/106,397.72
6. Step 6: Final answer
   x = 80,939.55