Finding the Fourth Proportional to 105,127.62, 145,063.35 and 59,811.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,127.62 : 145,063.35 = 59,811.42 : x
2. Step 2: Convert to fraction form
   105,127.62/145,063.35 = 59,811.42/x
3. Step 3: Cross multiply
   105,127.62x = 145,063.35 × 59,811.42
4. Step 4: Simplify right side
   105,127.62x = 8,676,444,953.46
5. Step 5: Solve for x
   x = 8,676,444,953.46/105,127.62
6. Step 6: Final answer
   x = 82,532.50