Finding the Fourth Proportional to 9,211.47, 13,800.69 and 5,598.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,211.47 : 13,800.69 = 5,598.50 : x
2. Step 2: Convert to fraction form
   9,211.47/13,800.69 = 5,598.50/x
3. Step 3: Cross multiply
   9,211.47x = 13,800.69 × 5,598.50
4. Step 4: Simplify right side
   9,211.47x = 77,263,093.96
5. Step 5: Solve for x
   x = 77,263,093.96/9,211.47
6. Step 6: Final answer
   x = 8,387.71