Finding the Fourth Proportional to 31,300.70, 43,196.04 and 17,153.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,300.70 : 43,196.04 = 17,153.55 : x
2. Step 2: Convert to fraction form
   31,300.70/43,196.04 = 17,153.55/x
3. Step 3: Cross multiply
   31,300.70x = 43,196.04 × 17,153.55
4. Step 4: Simplify right side
   31,300.70x = 740,965,431.94
5. Step 5: Solve for x
   x = 740,965,431.94/31,300.70
6. Step 6: Final answer
   x = 23,672.49