Finding the Fourth Proportional to 9,773.96, 13,488.78 and 5,582.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,773.96 : 13,488.78 = 5,582.12 : x
2. Step 2: Convert to fraction form
   9,773.96/13,488.78 = 5,582.12/x
3. Step 3: Cross multiply
   9,773.96x = 13,488.78 × 5,582.12
4. Step 4: Simplify right side
   9,773.96x = 75,295,988.61
5. Step 5: Solve for x
   x = 75,295,988.61/9,773.96
6. Step 6: Final answer
   x = 7,703.73