Finding the Fourth Proportional to 105,107.14, 145,051.25 and 59,783.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,107.14 : 145,051.25 = 59,783.96 : x
2. Step 2: Convert to fraction form
   105,107.14/145,051.25 = 59,783.96/x
3. Step 3: Cross multiply
   105,107.14x = 145,051.25 × 59,783.96
4. Step 4: Simplify right side
   105,107.14x = 8,671,737,103.77
5. Step 5: Solve for x
   x = 8,671,737,103.77/105,107.14
6. Step 6: Final answer
   x = 82,503.79