Finding the Fourth Proportional to 55,531.82, 83,297.76 and 13,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   55,531.82 : 83,297.76 = 13,978.82 : x
2. Step 2: Convert to fraction form
   55,531.82/83,297.76 = 13,978.82/x
3. Step 3: Cross multiply
   55,531.82x = 83,297.76 × 13,978.82
4. Step 4: Simplify right side
   55,531.82x = 1,164,404,393.44
5. Step 5: Solve for x
   x = 1,164,404,393.44/55,531.82
6. Step 6: Final answer
   x = 20,968.24