Finding the Fourth Proportional to 31,103.47, 46,683.27 and 21,083.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103.47 : 46,683.27 = 21,083.98 : x
2. Step 2: Convert to fraction form
   31,103.47/46,683.27 = 21,083.98/x
3. Step 3: Cross multiply
   31,103.47x = 46,683.27 × 21,083.98
4. Step 4: Simplify right side
   31,103.47x = 984,269,131.01
5. Step 5: Solve for x
   x = 984,269,131.01/31,103.47
6. Step 6: Final answer
   x = 31,644.99