Finding the Fourth Proportional to 105,041.34, 144,957.20 and 59,719.41

Step by Step Solution

1. Step 1: Write the proportion equation
   105,041.34 : 144,957.20 = 59,719.41 : x
2. Step 2: Convert to fraction form
   105,041.34/144,957.20 = 59,719.41/x
3. Step 3: Cross multiply
   105,041.34x = 144,957.20 × 59,719.41
4. Step 4: Simplify right side
   105,041.34x = 8,656,758,160.65
5. Step 5: Solve for x
   x = 8,656,758,160.65/105,041.34
6. Step 6: Final answer
   x = 82,412.87