Finding the Fourth Proportional to 9,953.55, 13,736.03 and 5,477.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,953.55 : 13,736.03 = 5,477.49 : x
2. Step 2: Convert to fraction form
   9,953.55/13,736.03 = 5,477.49/x
3. Step 3: Cross multiply
   9,953.55x = 13,736.03 × 5,477.49
4. Step 4: Simplify right side
   9,953.55x = 75,238,939.58
5. Step 5: Solve for x
   x = 75,238,939.58/9,953.55
6. Step 6: Final answer
   x = 7,559.01