Finding the Fourth Proportional to 55,223.76, 82,766.52 and 43,490.64

Step by Step Solution

1. Step 1: Write the proportion equation
   55,223.76 : 82,766.52 = 43,490.64 : x
2. Step 2: Convert to fraction form
   55,223.76/82,766.52 = 43,490.64/x
3. Step 3: Cross multiply
   55,223.76x = 82,766.52 × 43,490.64
4. Step 4: Simplify right side
   55,223.76x = 3,599,568,925.37
5. Step 5: Solve for x
   x = 3,599,568,925.37/55,223.76
6. Step 6: Final answer
   x = 65,181.53