Finding the Fourth Proportional to 13,026.29, 17,973.51 and 7,722.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.29 : 17,973.51 = 7,722.82 : x
2. Step 2: Convert to fraction form
   13,026.29/17,973.51 = 7,722.82/x
3. Step 3: Cross multiply
   13,026.29x = 17,973.51 × 7,722.82
4. Step 4: Simplify right side
   13,026.29x = 138,806,092.63
5. Step 5: Solve for x
   x = 138,806,092.63/13,026.29
6. Step 6: Final answer
   x = 10,655.84