Finding the Fourth Proportional to 9,770.31, 13,483.94 and 5,577.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,770.31 : 13,483.94 = 5,577.75 : x
2. Step 2: Convert to fraction form
   9,770.31/13,483.94 = 5,577.75/x
3. Step 3: Cross multiply
   9,770.31x = 13,483.94 × 5,577.75
4. Step 4: Simplify right side
   9,770.31x = 75,210,018.45
5. Step 5: Solve for x
   x = 75,210,018.45/9,770.31
6. Step 6: Final answer
   x = 7,697.81