Finding the Fourth Proportional to 9,112.71, 12,573.86 and 5,335.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.71 : 12,573.86 = 5,335.68 : x
2. Step 2: Convert to fraction form
   9,112.71/12,573.86 = 5,335.68/x
3. Step 3: Cross multiply
   9,112.71x = 12,573.86 × 5,335.68
4. Step 4: Simplify right side
   9,112.71x = 67,090,066.65
5. Step 5: Solve for x
   x = 67,090,066.65/9,112.71
6. Step 6: Final answer
   x = 7,362.25