Finding the Fourth Proportional to 37,379.75, 56,048.76 and 12,406.23

Step by Step Solution

1. Step 1: Write the proportion equation
   37,379.75 : 56,048.76 = 12,406.23 : x
2. Step 2: Convert to fraction form
   37,379.75/56,048.76 = 12,406.23/x
3. Step 3: Cross multiply
   37,379.75x = 56,048.76 × 12,406.23
4. Step 4: Simplify right side
   37,379.75x = 695,353,807.77
5. Step 5: Solve for x
   x = 695,353,807.77/37,379.75
6. Step 6: Final answer
   x = 18,602.42