Finding the Fourth Proportional to 9,953.63, 13,735.71 and 5,477.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,953.63 : 13,735.71 = 5,477.39 : x
2. Step 2: Convert to fraction form
   9,953.63/13,735.71 = 5,477.39/x
3. Step 3: Cross multiply
   9,953.63x = 13,735.71 × 5,477.39
4. Step 4: Simplify right side
   9,953.63x = 75,235,840.60
5. Step 5: Solve for x
   x = 75,235,840.60/9,953.63
6. Step 6: Final answer
   x = 7,558.63