Finding the Fourth Proportional to 9,372.15, 12,927.56 and 7,381.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,372.15 : 12,927.56 = 7,381.89 : x
2. Step 2: Convert to fraction form
   9,372.15/12,927.56 = 7,381.89/x
3. Step 3: Cross multiply
   9,372.15x = 12,927.56 × 7,381.89
4. Step 4: Simplify right side
   9,372.15x = 95,429,788.98
5. Step 5: Solve for x
   x = 95,429,788.98/9,372.15
6. Step 6: Final answer
   x = 10,182.27