Finding the Fourth Proportional to 105,557.22, 145,632.83 and 60,202.61

Step by Step Solution

1. Step 1: Write the proportion equation
   105,557.22 : 145,632.83 = 60,202.61 : x
2. Step 2: Convert to fraction form
   105,557.22/145,632.83 = 60,202.61/x
3. Step 3: Cross multiply
   105,557.22x = 145,632.83 × 60,202.61
4. Step 4: Simplify right side
   105,557.22x = 8,767,475,438.51
5. Step 5: Solve for x
   x = 8,767,475,438.51/105,557.22
6. Step 6: Final answer
   x = 83,058.98