Finding the Fourth Proportional to 105,836.86, 146,029.74 and 59,897.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,836.86 : 146,029.74 = 59,897.10 : x
2. Step 2: Convert to fraction form
   105,836.86/146,029.74 = 59,897.10/x
3. Step 3: Cross multiply
   105,836.86x = 146,029.74 × 59,897.10
4. Step 4: Simplify right side
   105,836.86x = 8,746,758,262.75
5. Step 5: Solve for x
   x = 8,746,758,262.75/105,836.86
6. Step 6: Final answer
   x = 82,643.78