Finding the Fourth Proportional to 9,141.39, 12,603.37 and 7,498.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.39 : 12,603.37 = 7,498.21 : x
2. Step 2: Convert to fraction form
   9,141.39/12,603.37 = 7,498.21/x
3. Step 3: Cross multiply
   9,141.39x = 12,603.37 × 7,498.21
4. Step 4: Simplify right side
   9,141.39x = 94,502,714.97
5. Step 5: Solve for x
   x = 94,502,714.97/9,141.39
6. Step 6: Final answer
   x = 10,337.89