Finding the Fourth Proportional to 105,050.00, 144,960.89 and 59,728.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,050.00 : 144,960.89 = 59,728.55 : x
2. Step 2: Convert to fraction form
   105,050.00/144,960.89 = 59,728.55/x
3. Step 3: Cross multiply
   105,050.00x = 144,960.89 × 59,728.55
4. Step 4: Simplify right side
   105,050.00x = 8,658,302,742.96
5. Step 5: Solve for x
   x = 8,658,302,742.96/105,050.00
6. Step 6: Final answer
   x = 82,420.78