Finding the Fourth Proportional to 105,749.37, 145,941.82 and 60,426.32

Step by Step Solution

1. Step 1: Write the proportion equation
   105,749.37 : 145,941.82 = 60,426.32 : x
2. Step 2: Convert to fraction form
   105,749.37/145,941.82 = 60,426.32/x
3. Step 3: Cross multiply
   105,749.37x = 145,941.82 × 60,426.32
4. Step 4: Simplify right side
   105,749.37x = 8,818,726,235.93
5. Step 5: Solve for x
   x = 8,818,726,235.93/105,749.37
6. Step 6: Final answer
   x = 83,392.71