Finding the Fourth Proportional to 105,164.91, 145,130.78 and 59,849.41

Step by Step Solution

1. Step 1: Write the proportion equation
   105,164.91 : 145,130.78 = 59,849.41 : x
2. Step 2: Convert to fraction form
   105,164.91/145,130.78 = 59,849.41/x
3. Step 3: Cross multiply
   105,164.91x = 145,130.78 × 59,849.41
4. Step 4: Simplify right side
   105,164.91x = 8,685,991,555.84
5. Step 5: Solve for x
   x = 8,685,991,555.84/105,164.91
6. Step 6: Final answer
   x = 82,594.01