Finding the Fourth Proportional to 12,342.30, 17,026.96 and 7,235.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,342.30 : 17,026.96 = 7,235.22 : x
2. Step 2: Convert to fraction form
   12,342.30/17,026.96 = 7,235.22/x
3. Step 3: Cross multiply
   12,342.30x = 17,026.96 × 7,235.22
4. Step 4: Simplify right side
   12,342.30x = 123,193,801.53
5. Step 5: Solve for x
   x = 123,193,801.53/12,342.30
6. Step 6: Final answer
   x = 9,981.43