Finding the Fourth Proportional to 9,983.07, 13,776.57 and 5,507.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,983.07 : 13,776.57 = 5,507.01 : x
2. Step 2: Convert to fraction form
   9,983.07/13,776.57 = 5,507.01/x
3. Step 3: Cross multiply
   9,983.07x = 13,776.57 × 5,507.01
4. Step 4: Simplify right side
   9,983.07x = 75,867,708.76
5. Step 5: Solve for x
   x = 75,867,708.76/9,983.07
6. Step 6: Final answer
   x = 7,599.64