Finding the Fourth Proportional to 9,770.76, 13,483.80 and 5,579.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,770.76 : 13,483.80 = 5,579.01 : x
2. Step 2: Convert to fraction form
   9,770.76/13,483.80 = 5,579.01/x
3. Step 3: Cross multiply
   9,770.76x = 13,483.80 × 5,579.01
4. Step 4: Simplify right side
   9,770.76x = 75,226,255.04
5. Step 5: Solve for x
   x = 75,226,255.04/9,770.76
6. Step 6: Final answer
   x = 7,699.12