Finding the Fourth Proportional to 32,020.18, 47,997.45 and 13,311.07

Step by Step Solution

1. Step 1: Write the proportion equation
   32,020.18 : 47,997.45 = 13,311.07 : x
2. Step 2: Convert to fraction form
   32,020.18/47,997.45 = 13,311.07/x
3. Step 3: Cross multiply
   32,020.18x = 47,997.45 × 13,311.07
4. Step 4: Simplify right side
   32,020.18x = 638,897,296.78
5. Step 5: Solve for x
   x = 638,897,296.78/32,020.18
6. Step 6: Final answer
   x = 19,952.96