Finding the Fourth Proportional to 31,613.00, 47,405.52 and 16,818.40

Step by Step Solution

1. Step 1: Write the proportion equation
   31,613.00 : 47,405.52 = 16,818.40 : x
2. Step 2: Convert to fraction form
   31,613.00/47,405.52 = 16,818.40/x
3. Step 3: Cross multiply
   31,613.00x = 47,405.52 × 16,818.40
4. Step 4: Simplify right side
   31,613.00x = 797,285,056.82
5. Step 5: Solve for x
   x = 797,285,056.82/31,613.00
6. Step 6: Final answer
   x = 25,220.17