Finding the Fourth Proportional to 105,192.23, 145,166.27 and 59,868.02

Step by Step Solution

1. Step 1: Write the proportion equation
   105,192.23 : 145,166.27 = 59,868.02 : x
2. Step 2: Convert to fraction form
   105,192.23/145,166.27 = 59,868.02/x
3. Step 3: Cross multiply
   105,192.23x = 145,166.27 × 59,868.02
4. Step 4: Simplify right side
   105,192.23x = 8,690,817,155.69
5. Step 5: Solve for x
   x = 8,690,817,155.69/105,192.23
6. Step 6: Final answer
   x = 82,618.43