Finding the Fourth Proportional to 12,906.34, 17,812.02 and 7,602.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906.34 : 17,812.02 = 7,602.82 : x
2. Step 2: Convert to fraction form
   12,906.34/17,812.02 = 7,602.82/x
3. Step 3: Cross multiply
   12,906.34x = 17,812.02 × 7,602.82
4. Step 4: Simplify right side
   12,906.34x = 135,421,581.90
5. Step 5: Solve for x
   x = 135,421,581.90/12,906.34
6. Step 6: Final answer
   x = 10,492.64