Finding the Fourth Proportional to 31,040.31, 46,552.17 and 13,506

Step by Step Solution

1. Step 1: Write the proportion equation
   31,040.31 : 46,552.17 = 13,506 : x
2. Step 2: Convert to fraction form
   31,040.31/46,552.17 = 13,506/x
3. Step 3: Cross multiply
   31,040.31x = 46,552.17 × 13,506
4. Step 4: Simplify right side
   31,040.31x = 628,733,608.02
5. Step 5: Solve for x
   x = 628,733,608.02/31,040.31
6. Step 6: Final answer
   x = 20,255.39