Finding the Fourth Proportional to 7,834.38, 10,812.42 and 4,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,834.38 : 10,812.42 = 4,690.50 : x
2. Step 2: Convert to fraction form
   7,834.38/10,812.42 = 4,690.50/x
3. Step 3: Cross multiply
   7,834.38x = 10,812.42 × 4,690.50
4. Step 4: Simplify right side
   7,834.38x = 50,715,656.01
5. Step 5: Solve for x
   x = 50,715,656.01/7,834.38
6. Step 6: Final answer
   x = 6,473.47