Finding the Fourth Proportional to 9,118.01, 13,677.03 and 5,219.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,118.01 : 13,677.03 = 5,219.72 : x
2. Step 2: Convert to fraction form
   9,118.01/13,677.03 = 5,219.72/x
3. Step 3: Cross multiply
   9,118.01x = 13,677.03 × 5,219.72
4. Step 4: Simplify right side
   9,118.01x = 71,390,267.03
5. Step 5: Solve for x
   x = 71,390,267.03/9,118.01
6. Step 6: Final answer
   x = 7,829.59