Finding the Fourth Proportional to 8,957.94, 12,374.61 and 7,177.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,957.94 : 12,374.61 = 7,177.25 : x
2. Step 2: Convert to fraction form
   8,957.94/12,374.61 = 7,177.25/x
3. Step 3: Cross multiply
   8,957.94x = 12,374.61 × 7,177.25
4. Step 4: Simplify right side
   8,957.94x = 88,815,602.80
5. Step 5: Solve for x
   x = 88,815,602.80/8,957.94
6. Step 6: Final answer
   x = 9,914.73