Finding the Fourth Proportional to 9,082.78, 13,619.04 and 3,156.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,082.78 : 13,619.04 = 3,156.94 : x
2. Step 2: Convert to fraction form
   9,082.78/13,619.04 = 3,156.94/x
3. Step 3: Cross multiply
   9,082.78x = 13,619.04 × 3,156.94
4. Step 4: Simplify right side
   9,082.78x = 42,994,492.14
5. Step 5: Solve for x
   x = 42,994,492.14/9,082.78
6. Step 6: Final answer
   x = 4,733.63