Finding the Fourth Proportional to 9,111.08, 13,653.42 and 4,947.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.08 : 13,653.42 = 4,947.56 : x
2. Step 2: Convert to fraction form
   9,111.08/13,653.42 = 4,947.56/x
3. Step 3: Cross multiply
   9,111.08x = 13,653.42 × 4,947.56
4. Step 4: Simplify right side
   9,111.08x = 67,551,114.66
5. Step 5: Solve for x
   x = 67,551,114.66/9,111.08
6. Step 6: Final answer
   x = 7,414.17