Finding the Fourth Proportional to 31,136.93, 42,969.91 and 17,710.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,136.93 : 42,969.91 = 17,710.12 : x
2. Step 2: Convert to fraction form
   31,136.93/42,969.91 = 17,710.12/x
3. Step 3: Cross multiply
   31,136.93x = 42,969.91 × 17,710.12
4. Step 4: Simplify right side
   31,136.93x = 761,002,177.20
5. Step 5: Solve for x
   x = 761,002,177.20/31,136.93
6. Step 6: Final answer
   x = 24,440.50