Finding the Fourth Proportional to 31,303.71, 43,199.46 and 17,156.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,303.71 : 43,199.46 = 17,156.25 : x
2. Step 2: Convert to fraction form
   31,303.71/43,199.46 = 17,156.25/x
3. Step 3: Cross multiply
   31,303.71x = 43,199.46 × 17,156.25
4. Step 4: Simplify right side
   31,303.71x = 741,140,735.63
5. Step 5: Solve for x
   x = 741,140,735.63/31,303.71
6. Step 6: Final answer
   x = 23,675.81