Finding the Fourth Proportional to 9,054.81, 12,495.72 and 5,076.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,054.81 : 12,495.72 = 5,076.15 : x
2. Step 2: Convert to fraction form
   9,054.81/12,495.72 = 5,076.15/x
3. Step 3: Cross multiply
   9,054.81x = 12,495.72 × 5,076.15
4. Step 4: Simplify right side
   9,054.81x = 63,430,149.08
5. Step 5: Solve for x
   x = 63,430,149.08/9,054.81
6. Step 6: Final answer
   x = 7,005.13