Finding the Fourth Proportional to 9,983.42, 13,777.74 and 5,507.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,983.42 : 13,777.74 = 5,507.18 : x
2. Step 2: Convert to fraction form
   9,983.42/13,777.74 = 5,507.18/x
3. Step 3: Cross multiply
   9,983.42x = 13,777.74 × 5,507.18
4. Step 4: Simplify right side
   9,983.42x = 75,876,425.28
5. Step 5: Solve for x
   x = 75,876,425.28/9,983.42
6. Step 6: Final answer
   x = 7,600.25