Finding the Fourth Proportional to 56,315.56, 84,460.86 and 16,867.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,315.56 : 84,460.86 = 16,867.48 : x
2. Step 2: Convert to fraction form
   56,315.56/84,460.86 = 16,867.48/x
3. Step 3: Cross multiply
   56,315.56x = 84,460.86 × 16,867.48
4. Step 4: Simplify right side
   56,315.56x = 1,424,641,866.83
5. Step 5: Solve for x
   x = 1,424,641,866.83/56,315.56
6. Step 6: Final answer
   x = 25,297.48