Finding the Fourth Proportional to 7,011.84, 10,492.56 and 5,158.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,011.84 : 10,492.56 = 5,158.56 : x
2. Step 2: Convert to fraction form
   7,011.84/10,492.56 = 5,158.56/x
3. Step 3: Cross multiply
   7,011.84x = 10,492.56 × 5,158.56
4. Step 4: Simplify right side
   7,011.84x = 54,126,500.31
5. Step 5: Solve for x
   x = 54,126,500.31/7,011.84
6. Step 6: Final answer
   x = 7,719.30