Finding the Fourth Proportional to 10,853.01, 16,279.88 and 3,458.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,853.01 : 16,279.88 = 3,458.25 : x
2. Step 2: Convert to fraction form
   10,853.01/16,279.88 = 3,458.25/x
3. Step 3: Cross multiply
   10,853.01x = 16,279.88 × 3,458.25
4. Step 4: Simplify right side
   10,853.01x = 56,299,877.72
5. Step 5: Solve for x
   x = 56,299,877.72/10,853.01
6. Step 6: Final answer
   x = 5,187.49