Finding the Fourth Proportional to 37,851.86, 56,786.58 and 12,892.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,851.86 : 56,786.58 = 12,892.12 : x
2. Step 2: Convert to fraction form
   37,851.86/56,786.58 = 12,892.12/x
3. Step 3: Cross multiply
   37,851.86x = 56,786.58 × 12,892.12
4. Step 4: Simplify right side
   37,851.86x = 732,099,403.75
5. Step 5: Solve for x
   x = 732,099,403.75/37,851.86
6. Step 6: Final answer
   x = 19,341.17