Finding the Fourth Proportional to 27,404.42, 37,818.69 and 15,467.78

Step by Step Solution

1. Step 1: Write the proportion equation
   27,404.42 : 37,818.69 = 15,467.78 : x
2. Step 2: Convert to fraction form
   27,404.42/37,818.69 = 15,467.78/x
3. Step 3: Cross multiply
   27,404.42x = 37,818.69 × 15,467.78
4. Step 4: Simplify right side
   27,404.42x = 584,971,176.81
5. Step 5: Solve for x
   x = 584,971,176.81/27,404.42
6. Step 6: Final answer
   x = 21,345.87