Finding the Fourth Proportional to 9,091.49, 12,546.86 and 5,112.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.49 : 12,546.86 = 5,112.86 : x
2. Step 2: Convert to fraction form
   9,091.49/12,546.86 = 5,112.86/x
3. Step 3: Cross multiply
   9,091.49x = 12,546.86 × 5,112.86
4. Step 4: Simplify right side
   9,091.49x = 64,150,250.32
5. Step 5: Solve for x
   x = 64,150,250.32/9,091.49
6. Step 6: Final answer
   x = 7,056.08