Finding the Fourth Proportional to 55,261.88, 82,904.34 and 18,323

Step by Step Solution

1. Step 1: Write the proportion equation
   55,261.88 : 82,904.34 = 18,323 : x
2. Step 2: Convert to fraction form
   55,261.88/82,904.34 = 18,323/x
3. Step 3: Cross multiply
   55,261.88x = 82,904.34 × 18,323
4. Step 4: Simplify right side
   55,261.88x = 1,519,056,221.82
5. Step 5: Solve for x
   x = 1,519,056,221.82/55,261.88
6. Step 6: Final answer
   x = 27,488.32