Finding the Fourth Proportional to 9,977.83, 13,770.03 and 5,501.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.83 : 13,770.03 = 5,501.57 : x
2. Step 2: Convert to fraction form
   9,977.83/13,770.03 = 5,501.57/x
3. Step 3: Cross multiply
   9,977.83x = 13,770.03 × 5,501.57
4. Step 4: Simplify right side
   9,977.83x = 75,756,766.76
5. Step 5: Solve for x
   x = 75,756,766.76/9,977.83
6. Step 6: Final answer
   x = 7,592.51