Finding the Fourth Proportional to 31,303.95, 43,200.53 and 17,156.80

Step by Step Solution

1. Step 1: Write the proportion equation
   31,303.95 : 43,200.53 = 17,156.80 : x
2. Step 2: Convert to fraction form
   31,303.95/43,200.53 = 17,156.80/x
3. Step 3: Cross multiply
   31,303.95x = 43,200.53 × 17,156.80
4. Step 4: Simplify right side
   31,303.95x = 741,182,853.10
5. Step 5: Solve for x
   x = 741,182,853.10/31,303.95
6. Step 6: Final answer
   x = 23,676.98