Finding the Fourth Proportional to 55,068.18, 82,518.17 and 40,959.98

Step by Step Solution

1. Step 1: Write the proportion equation
   55,068.18 : 82,518.17 = 40,959.98 : x
2. Step 2: Convert to fraction form
   55,068.18/82,518.17 = 40,959.98/x
3. Step 3: Cross multiply
   55,068.18x = 82,518.17 × 40,959.98
4. Step 4: Simplify right side
   55,068.18x = 3,379,942,400.09
5. Step 5: Solve for x
   x = 3,379,942,400.09/55,068.18
6. Step 6: Final answer
   x = 61,377.41