Finding the Fourth Proportional to 9,088.09, 12,541.55 and 5,109.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,088.09 : 12,541.55 = 5,109.21 : x
2. Step 2: Convert to fraction form
   9,088.09/12,541.55 = 5,109.21/x
3. Step 3: Cross multiply
   9,088.09x = 12,541.55 × 5,109.21
4. Step 4: Simplify right side
   9,088.09x = 64,077,412.68
5. Step 5: Solve for x
   x = 64,077,412.68/9,088.09
6. Step 6: Final answer
   x = 7,050.70