Finding the Fourth Proportional to 9,116.58, 12,581.10 and 5,342.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,116.58 : 12,581.10 = 5,342.16 : x
2. Step 2: Convert to fraction form
   9,116.58/12,581.10 = 5,342.16/x
3. Step 3: Cross multiply
   9,116.58x = 12,581.10 × 5,342.16
4. Step 4: Simplify right side
   9,116.58x = 67,210,249.18
5. Step 5: Solve for x
   x = 67,210,249.18/9,116.58
6. Step 6: Final answer
   x = 7,372.31