Finding the Fourth Proportional to 105,925.23, 146,141.24 and 59,978.61

Step by Step Solution

1. Step 1: Write the proportion equation
   105,925.23 : 146,141.24 = 59,978.61 : x
2. Step 2: Convert to fraction form
   105,925.23/146,141.24 = 59,978.61/x
3. Step 3: Cross multiply
   105,925.23x = 146,141.24 × 59,978.61
4. Step 4: Simplify right side
   105,925.23x = 8,765,348,924.21
5. Step 5: Solve for x
   x = 8,765,348,924.21/105,925.23
6. Step 6: Final answer
   x = 82,750.34