Finding the Fourth Proportional to 9,091.45, 12,546.18 and 5,112.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.45 : 12,546.18 = 5,112.52 : x
2. Step 2: Convert to fraction form
   9,091.45/12,546.18 = 5,112.52/x
3. Step 3: Cross multiply
   9,091.45x = 12,546.18 × 5,112.52
4. Step 4: Simplify right side
   9,091.45x = 64,142,596.17
5. Step 5: Solve for x
   x = 64,142,596.17/9,091.45
6. Step 6: Final answer
   x = 7,055.27