Finding the Fourth Proportional to 55,897.60, 83,860.56 and 16,456

Step by Step Solution

1. Step 1: Write the proportion equation
   55,897.60 : 83,860.56 = 16,456 : x
2. Step 2: Convert to fraction form
   55,897.60/83,860.56 = 16,456/x
3. Step 3: Cross multiply
   55,897.60x = 83,860.56 × 16,456
4. Step 4: Simplify right side
   55,897.60x = 1,380,009,375.36
5. Step 5: Solve for x
   x = 1,380,009,375.36/55,897.60
6. Step 6: Final answer
   x = 24,688.17