Finding the Fourth Proportional to 9,977.38, 13,769.40 and 5,501.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.38 : 13,769.40 = 5,501.12 : x
2. Step 2: Convert to fraction form
   9,977.38/13,769.40 = 5,501.12/x
3. Step 3: Cross multiply
   9,977.38x = 13,769.40 × 5,501.12
4. Step 4: Simplify right side
   9,977.38x = 75,747,068.38
5. Step 5: Solve for x
   x = 75,747,068.38/9,977.38
6. Step 6: Final answer
   x = 7,591.88