Finding the Fourth Proportional to 31,870.42, 47,805.58 and 9,683.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,870.42 : 47,805.58 = 9,683.70 : x
2. Step 2: Convert to fraction form
   31,870.42/47,805.58 = 9,683.70/x
3. Step 3: Cross multiply
   31,870.42x = 47,805.58 × 9,683.70
4. Step 4: Simplify right side
   31,870.42x = 462,934,895.05
5. Step 5: Solve for x
   x = 462,934,895.05/31,870.42
6. Step 6: Final answer
   x = 14,525.53