Finding the Fourth Proportional to 9,112.08, 12,575.57 and 5,335.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.08 : 12,575.57 = 5,335.03 : x
2. Step 2: Convert to fraction form
   9,112.08/12,575.57 = 5,335.03/x
3. Step 3: Cross multiply
   9,112.08x = 12,575.57 × 5,335.03
4. Step 4: Simplify right side
   9,112.08x = 67,091,043.22
5. Step 5: Solve for x
   x = 67,091,043.22/9,112.08
6. Step 6: Final answer
   x = 7,362.87