Finding the Fourth Proportional to 9,953.57, 13,736.25 and 5,477.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,953.57 : 13,736.25 = 5,477.83 : x
2. Step 2: Convert to fraction form
   9,953.57/13,736.25 = 5,477.83/x
3. Step 3: Cross multiply
   9,953.57x = 13,736.25 × 5,477.83
4. Step 4: Simplify right side
   9,953.57x = 75,244,842.34
5. Step 5: Solve for x
   x = 75,244,842.34/9,953.57
6. Step 6: Final answer
   x = 7,559.58