Finding the Fourth Proportional to 61,618.82, 91,910.52 and 55,942.86

Step by Step Solution

1. Step 1: Write the proportion equation
   61,618.82 : 91,910.52 = 55,942.86 : x
2. Step 2: Convert to fraction form
   61,618.82/91,910.52 = 55,942.86/x
3. Step 3: Cross multiply
   61,618.82x = 91,910.52 × 55,942.86
4. Step 4: Simplify right side
   61,618.82x = 5,141,737,352.89
5. Step 5: Solve for x
   x = 5,141,737,352.89/61,618.82
6. Step 6: Final answer
   x = 83,444.26