Finding the Fourth Proportional to 105,055.78, 144,983.82 and 59,737.98

Step by Step Solution

1. Step 1: Write the proportion equation
   105,055.78 : 144,983.82 = 59,737.98 : x
2. Step 2: Convert to fraction form
   105,055.78/144,983.82 = 59,737.98/x
3. Step 3: Cross multiply
   105,055.78x = 144,983.82 × 59,737.98
4. Step 4: Simplify right side
   105,055.78x = 8,661,040,219.81
5. Step 5: Solve for x
   x = 8,661,040,219.81/105,055.78
6. Step 6: Final answer
   x = 82,442.30