Finding the Fourth Proportional to 31,300.17, 43,195.23 and 17,153.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,300.17 : 43,195.23 = 17,153.88 : x
2. Step 2: Convert to fraction form
   31,300.17/43,195.23 = 17,153.88/x
3. Step 3: Cross multiply
   31,300.17x = 43,195.23 × 17,153.88
4. Step 4: Simplify right side
   31,300.17x = 740,965,791.99
5. Step 5: Solve for x
   x = 740,965,791.99/31,300.17
6. Step 6: Final answer
   x = 23,672.90