Finding the Fourth Proportional to 9,091.95, 12,546.43 and 5,112.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.95 : 12,546.43 = 5,112.82 : x
2. Step 2: Convert to fraction form
   9,091.95/12,546.43 = 5,112.82/x
3. Step 3: Cross multiply
   9,091.95x = 12,546.43 × 5,112.82
4. Step 4: Simplify right side
   9,091.95x = 64,147,641.13
5. Step 5: Solve for x
   x = 64,147,641.13/9,091.95
6. Step 6: Final answer
   x = 7,055.44