Finding the Fourth Proportional to 10,492.82, 15,742.53 and 4,945.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,492.82 : 15,742.53 = 4,945.94 : x
2. Step 2: Convert to fraction form
   10,492.82/15,742.53 = 4,945.94/x
3. Step 3: Cross multiply
   10,492.82x = 15,742.53 × 4,945.94
4. Step 4: Simplify right side
   10,492.82x = 77,861,530.12
5. Step 5: Solve for x
   x = 77,861,530.12/10,492.82
6. Step 6: Final answer
   x = 7,420.46