Finding the Fourth Proportional to 9,388.56, 12,955.83 and 5,613.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,388.56 : 12,955.83 = 5,613.83 : x
2. Step 2: Convert to fraction form
   9,388.56/12,955.83 = 5,613.83/x
3. Step 3: Cross multiply
   9,388.56x = 12,955.83 × 5,613.83
4. Step 4: Simplify right side
   9,388.56x = 72,731,762.35
5. Step 5: Solve for x
   x = 72,731,762.35/9,388.56
6. Step 6: Final answer
   x = 7,746.85