Finding the Fourth Proportional to 9,133.17, 12,603.55 and 5,154.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,133.17 : 12,603.55 = 5,154.18 : x
2. Step 2: Convert to fraction form
   9,133.17/12,603.55 = 5,154.18/x
3. Step 3: Cross multiply
   9,133.17x = 12,603.55 × 5,154.18
4. Step 4: Simplify right side
   9,133.17x = 64,960,965.34
5. Step 5: Solve for x
   x = 64,960,965.34/9,133.17
6. Step 6: Final answer
   x = 7,112.64