Finding the Fourth Proportional to 9,372.67, 12,934.55 and 5,123.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,372.67 : 12,934.55 = 5,123.96 : x
2. Step 2: Convert to fraction form
   9,372.67/12,934.55 = 5,123.96/x
3. Step 3: Cross multiply
   9,372.67x = 12,934.55 × 5,123.96
4. Step 4: Simplify right side
   9,372.67x = 66,276,116.82
5. Step 5: Solve for x
   x = 66,276,116.82/9,372.67
6. Step 6: Final answer
   x = 7,071.21