Finding the Fourth Proportional to 10,520.10, 14,505.75 and 7,836.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,520.10 : 14,505.75 = 7,836.03 : x
2. Step 2: Convert to fraction form
   10,520.10/14,505.75 = 7,836.03/x
3. Step 3: Cross multiply
   10,520.10x = 14,505.75 × 7,836.03
4. Step 4: Simplify right side
   10,520.10x = 113,667,492.17
5. Step 5: Solve for x
   x = 113,667,492.17/10,520.10
6. Step 6: Final answer
   x = 10,804.79