Finding the Fourth Proportional to 9,054.15, 12,496.47 and 5,904.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,054.15 : 12,496.47 = 5,904.87 : x
2. Step 2: Convert to fraction form
   9,054.15/12,496.47 = 5,904.87/x
3. Step 3: Cross multiply
   9,054.15x = 12,496.47 × 5,904.87
4. Step 4: Simplify right side
   9,054.15x = 73,790,030.81
5. Step 5: Solve for x
   x = 73,790,030.81/9,054.15
6. Step 6: Final answer
   x = 8,149.86