Finding the Fourth Proportional to 9,375.94, 12,938.54 and 5,547.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,375.94 : 12,938.54 = 5,547.77 : x
2. Step 2: Convert to fraction form
   9,375.94/12,938.54 = 5,547.77/x
3. Step 3: Cross multiply
   9,375.94x = 12,938.54 × 5,547.77
4. Step 4: Simplify right side
   9,375.94x = 71,780,090.27
5. Step 5: Solve for x
   x = 71,780,090.27/9,375.94
6. Step 6: Final answer
   x = 7,655.78