Finding the Fourth Proportional to 55,178.69, 82,772.89 and 17,742.11

Step by Step Solution

1. Step 1: Write the proportion equation
   55,178.69 : 82,772.89 = 17,742.11 : x
2. Step 2: Convert to fraction form
   55,178.69/82,772.89 = 17,742.11/x
3. Step 3: Cross multiply
   55,178.69x = 82,772.89 × 17,742.11
4. Step 4: Simplify right side
   55,178.69x = 1,468,565,261.18
5. Step 5: Solve for x
   x = 1,468,565,261.18/55,178.69
6. Step 6: Final answer
   x = 26,614.72