Finding the Fourth Proportional to 37,419.32, 56,110.20 and 12,450.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,419.32 : 56,110.20 = 12,450.56 : x
2. Step 2: Convert to fraction form
   37,419.32/56,110.20 = 12,450.56/x
3. Step 3: Cross multiply
   37,419.32x = 56,110.20 × 12,450.56
4. Step 4: Simplify right side
   37,419.32x = 698,603,411.71
5. Step 5: Solve for x
   x = 698,603,411.71/37,419.32
6. Step 6: Final answer
   x = 18,669.59