Finding the Fourth Proportional to 21,180.04, 31,770.18 and 5,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,180.04 : 31,770.18 = 5,597.50 : x
2. Step 2: Convert to fraction form
   21,180.04/31,770.18 = 5,597.50/x
3. Step 3: Cross multiply
   21,180.04x = 31,770.18 × 5,597.50
4. Step 4: Simplify right side
   21,180.04x = 177,833,582.55
5. Step 5: Solve for x
   x = 177,833,582.55/21,180.04
6. Step 6: Final answer
   x = 8,396.28