Finding the Fourth Proportional to 31,518.86, 47,233.90 and 17,485.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,518.86 : 47,233.90 = 17,485.34 : x
2. Step 2: Convert to fraction form
   31,518.86/47,233.90 = 17,485.34/x
3. Step 3: Cross multiply
   31,518.86x = 47,233.90 × 17,485.34
4. Step 4: Simplify right side
   31,518.86x = 825,900,801.03
5. Step 5: Solve for x
   x = 825,900,801.03/31,518.86
6. Step 6: Final answer
   x = 26,203.38