Finding the Fourth Proportional to 56,100.58, 84,150.18 and 16,120.49

Step by Step Solution

1. Step 1: Write the proportion equation
   56,100.58 : 84,150.18 = 16,120.49 : x
2. Step 2: Convert to fraction form
   56,100.58/84,150.18 = 16,120.49/x
3. Step 3: Cross multiply
   56,100.58x = 84,150.18 × 16,120.49
4. Step 4: Simplify right side
   56,100.58x = 1,356,541,714.44
5. Step 5: Solve for x
   x = 1,356,541,714.44/56,100.58
6. Step 6: Final answer
   x = 24,180.53