Finding the Fourth Proportional to 10,852.18, 16,279.89 and 3,454.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,852.18 : 16,279.89 = 3,454.45 : x
2. Step 2: Convert to fraction form
   10,852.18/16,279.89 = 3,454.45/x
3. Step 3: Cross multiply
   10,852.18x = 16,279.89 × 3,454.45
4. Step 4: Simplify right side
   10,852.18x = 56,238,066.01
5. Step 5: Solve for x
   x = 56,238,066.01/10,852.18
6. Step 6: Final answer
   x = 5,182.19