Finding the Fourth Proportional to 31,303.28, 43,200.56 and 17,156.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,303.28 : 43,200.56 = 17,156.12 : x
2. Step 2: Convert to fraction form
   31,303.28/43,200.56 = 17,156.12/x
3. Step 3: Cross multiply
   31,303.28x = 43,200.56 × 17,156.12
4. Step 4: Simplify right side
   31,303.28x = 741,153,818.31
5. Step 5: Solve for x
   x = 741,153,818.31/31,303.28
6. Step 6: Final answer
   x = 23,676.55