Finding the Fourth Proportional to 37,415.73, 56,111.31 and 12,448.92

Step by Step Solution

1. Step 1: Write the proportion equation
   37,415.73 : 56,111.31 = 12,448.92 : x
2. Step 2: Convert to fraction form
   37,415.73/56,111.31 = 12,448.92/x
3. Step 3: Cross multiply
   37,415.73x = 56,111.31 × 12,448.92
4. Step 4: Simplify right side
   37,415.73x = 698,525,209.29
5. Step 5: Solve for x
   x = 698,525,209.29/37,415.73
6. Step 6: Final answer
   x = 18,669.29