Finding the Fourth Proportional to 105,836.74, 146,028.89 and 59,897.44

Step by Step Solution

1. Step 1: Write the proportion equation
   105,836.74 : 146,028.89 = 59,897.44 : x
2. Step 2: Convert to fraction form
   105,836.74/146,028.89 = 59,897.44/x
3. Step 3: Cross multiply
   105,836.74x = 146,028.89 × 59,897.44
4. Step 4: Simplify right side
   105,836.74x = 8,746,757,009.32
5. Step 5: Solve for x
   x = 8,746,757,009.32/105,836.74
6. Step 6: Final answer
   x = 82,643.86