Finding the Fourth Proportional to 9,116.07, 12,580.29 and 5,137.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,116.07 : 12,580.29 = 5,137.08 : x
2. Step 2: Convert to fraction form
   9,116.07/12,580.29 = 5,137.08/x
3. Step 3: Cross multiply
   9,116.07x = 12,580.29 × 5,137.08
4. Step 4: Simplify right side
   9,116.07x = 64,625,956.15
5. Step 5: Solve for x
   x = 64,625,956.15/9,116.07
6. Step 6: Final answer
   x = 7,089.23