Finding the Fourth Proportional to 9,977.80, 13,769.46 and 5,501.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.80 : 13,769.46 = 5,501.73 : x
2. Step 2: Convert to fraction form
   9,977.80/13,769.46 = 5,501.73/x
3. Step 3: Cross multiply
   9,977.80x = 13,769.46 × 5,501.73
4. Step 4: Simplify right side
   9,977.80x = 75,755,851.17
5. Step 5: Solve for x
   x = 75,755,851.17/9,977.80
6. Step 6: Final answer
   x = 7,592.44