Finding the Fourth Proportional to 9,417.28, 12,994.62 and 5,641.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.28 : 12,994.62 = 5,641.12 : x
2. Step 2: Convert to fraction form
   9,417.28/12,994.62 = 5,641.12/x
3. Step 3: Cross multiply
   9,417.28x = 12,994.62 × 5,641.12
4. Step 4: Simplify right side
   9,417.28x = 73,304,210.77
5. Step 5: Solve for x
   x = 73,304,210.77/9,417.28
6. Step 6: Final answer
   x = 7,784.01