Finding the Fourth Proportional to 9,762.77, 13,471.29 and 5,513.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,762.77 : 13,471.29 = 5,513.63 : x
2. Step 2: Convert to fraction form
   9,762.77/13,471.29 = 5,513.63/x
3. Step 3: Cross multiply
   9,762.77x = 13,471.29 × 5,513.63
4. Step 4: Simplify right side
   9,762.77x = 74,275,641.33
5. Step 5: Solve for x
   x = 74,275,641.33/9,762.77
6. Step 6: Final answer
   x = 7,608.05