Finding the Fourth Proportional to 31,114.47, 42,938.99 and 17,684.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,114.47 : 42,938.99 = 17,684.94 : x
2. Step 2: Convert to fraction form
   31,114.47/42,938.99 = 17,684.94/x
3. Step 3: Cross multiply
   31,114.47x = 42,938.99 × 17,684.94
4. Step 4: Simplify right side
   31,114.47x = 759,373,373.39
5. Step 5: Solve for x
   x = 759,373,373.39/31,114.47
6. Step 6: Final answer
   x = 24,405.79