Finding the Fourth Proportional to 12,852.15, 17,733.27 and 7,543.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,852.15 : 17,733.27 = 7,543.89 : x
2. Step 2: Convert to fraction form
   12,852.15/17,733.27 = 7,543.89/x
3. Step 3: Cross multiply
   12,852.15x = 17,733.27 × 7,543.89
4. Step 4: Simplify right side
   12,852.15x = 133,777,838.22
5. Step 5: Solve for x
   x = 133,777,838.22/12,852.15
6. Step 6: Final answer
   x = 10,408.99