Finding the Fourth Proportional to 31,127.48, 42,954.18 and 17,696.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,127.48 : 42,954.18 = 17,696.84 : x
2. Step 2: Convert to fraction form
   31,127.48/42,954.18 = 17,696.84/x
3. Step 3: Cross multiply
   31,127.48x = 42,954.18 × 17,696.84
4. Step 4: Simplify right side
   31,127.48x = 760,153,250.79
5. Step 5: Solve for x
   x = 760,153,250.79/31,127.48
6. Step 6: Final answer
   x = 24,420.65