Finding the Fourth Proportional to 37,379.46, 56,068.83 and 12,421.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,379.46 : 56,068.83 = 12,421.34 : x
2. Step 2: Convert to fraction form
   37,379.46/56,068.83 = 12,421.34/x
3. Step 3: Cross multiply
   37,379.46x = 56,068.83 × 12,421.34
4. Step 4: Simplify right side
   37,379.46x = 696,449,720.49
5. Step 5: Solve for x
   x = 696,449,720.49/37,379.46
6. Step 6: Final answer
   x = 18,631.88