Finding the Fourth Proportional to 9,093.51, 12,547.16 and 5,315.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,093.51 : 12,547.16 = 5,315.94 : x
2. Step 2: Convert to fraction form
   9,093.51/12,547.16 = 5,315.94/x
3. Step 3: Cross multiply
   9,093.51x = 12,547.16 × 5,315.94
4. Step 4: Simplify right side
   9,093.51x = 66,699,923.15
5. Step 5: Solve for x
   x = 66,699,923.15/9,093.51
6. Step 6: Final answer
   x = 7,334.90