Finding the Fourth Proportional to 9,404.04, 12,977.28 and 5,154.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.04 : 12,977.28 = 5,154.96 : x
2. Step 2: Convert to fraction form
   9,404.04/12,977.28 = 5,154.96/x
3. Step 3: Cross multiply
   9,404.04x = 12,977.28 × 5,154.96
4. Step 4: Simplify right side
   9,404.04x = 66,897,359.31
5. Step 5: Solve for x
   x = 66,897,359.31/9,404.04
6. Step 6: Final answer
   x = 7,113.68