Finding the Fourth Proportional to 37,608.94, 56,421.17 and 15,421.82

Step by Step Solution

1. Step 1: Write the proportion equation
   37,608.94 : 56,421.17 = 15,421.82 : x
2. Step 2: Convert to fraction form
   37,608.94/56,421.17 = 15,421.82/x
3. Step 3: Cross multiply
   37,608.94x = 56,421.17 × 15,421.82
4. Step 4: Simplify right side
   37,608.94x = 870,117,050.82
5. Step 5: Solve for x
   x = 870,117,050.82/37,608.94
6. Step 6: Final answer
   x = 23,135.91