Finding the Fourth Proportional to 9,133.34, 12,604 and 5,155.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,133.34 : 12,604 = 5,155.30 : x
2. Step 2: Convert to fraction form
   9,133.34/12,604 = 5,155.30/x
3. Step 3: Cross multiply
   9,133.34x = 12,604 × 5,155.30
4. Step 4: Simplify right side
   9,133.34x = 64,977,401.20
5. Step 5: Solve for x
   x = 64,977,401.20/9,133.34
6. Step 6: Final answer
   x = 7,114.31