Finding the Fourth Proportional to 9,315.73, 12,818.18 and 9,094.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,315.73 : 12,818.18 = 9,094.30 : x
2. Step 2: Convert to fraction form
   9,315.73/12,818.18 = 9,094.30/x
3. Step 3: Cross multiply
   9,315.73x = 12,818.18 × 9,094.30
4. Step 4: Simplify right side
   9,315.73x = 116,572,374.37
5. Step 5: Solve for x
   x = 116,572,374.37/9,315.73
6. Step 6: Final answer
   x = 12,513.50