Finding the Fourth Proportional to 105,777.48, 145,947.89 and 59,838.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,777.48 : 145,947.89 = 59,838.18 : x
2. Step 2: Convert to fraction form
   105,777.48/145,947.89 = 59,838.18/x
3. Step 3: Cross multiply
   105,777.48x = 145,947.89 × 59,838.18
4. Step 4: Simplify right side
   105,777.48x = 8,733,255,813.25
5. Step 5: Solve for x
   x = 8,733,255,813.25/105,777.48
6. Step 6: Final answer
   x = 82,562.52