Finding the Fourth Proportional to 25,142.70, 37,715.94 and 7,613.94

Step by Step Solution

1. Step 1: Write the proportion equation
   25,142.70 : 37,715.94 = 7,613.94 : x
2. Step 2: Convert to fraction form
   25,142.70/37,715.94 = 7,613.94/x
3. Step 3: Cross multiply
   25,142.70x = 37,715.94 × 7,613.94
4. Step 4: Simplify right side
   25,142.70x = 287,166,904.20
5. Step 5: Solve for x
   x = 287,166,904.20/25,142.70
6. Step 6: Final answer
   x = 11,421.48