Finding the Fourth Proportional to 9,155.36, 12,627.96 and 5,620.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.36 : 12,627.96 = 5,620.52 : x
2. Step 2: Convert to fraction form
   9,155.36/12,627.96 = 5,620.52/x
3. Step 3: Cross multiply
   9,155.36x = 12,627.96 × 5,620.52
4. Step 4: Simplify right side
   9,155.36x = 70,975,701.74
5. Step 5: Solve for x
   x = 70,975,701.74/9,155.36
6. Step 6: Final answer
   x = 7,752.37