Finding the Fourth Proportional to 137,111.94, 205,647.05 and 52,859.81

Step by Step Solution

1. Step 1: Write the proportion equation
   137,111.94 : 205,647.05 = 52,859.81 : x
2. Step 2: Convert to fraction form
   137,111.94/205,647.05 = 52,859.81/x
3. Step 3: Cross multiply
   137,111.94x = 205,647.05 × 52,859.81
4. Step 4: Simplify right side
   137,111.94x = 10,870,463,990.06
5. Step 5: Solve for x
   x = 10,870,463,990.06/137,111.94
6. Step 6: Final answer
   x = 79,281.67