Finding the Fourth Proportional to 9,977.51, 13,769.07 and 5,501.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,977.51 : 13,769.07 = 5,501.42 : x
2. Step 2: Convert to fraction form
   9,977.51/13,769.07 = 5,501.42/x
3. Step 3: Cross multiply
   9,977.51x = 13,769.07 × 5,501.42
4. Step 4: Simplify right side
   9,977.51x = 75,749,409.57
5. Step 5: Solve for x
   x = 75,749,409.57/9,977.51
6. Step 6: Final answer
   x = 7,592.02