Finding the Fourth Proportional to 105,591.42, 145,726.60 and 60,276.22

Step by Step Solution

1. Step 1: Write the proportion equation
   105,591.42 : 145,726.60 = 60,276.22 : x
2. Step 2: Convert to fraction form
   105,591.42/145,726.60 = 60,276.22/x
3. Step 3: Cross multiply
   105,591.42x = 145,726.60 × 60,276.22
4. Step 4: Simplify right side
   105,591.42x = 8,783,848,601.45
5. Step 5: Solve for x
   x = 8,783,848,601.45/105,591.42
6. Step 6: Final answer
   x = 83,187.14