Finding the Fourth Proportional to 37,382.32, 56,083.56 and 12,426.40

Step by Step Solution

1. Step 1: Write the proportion equation
   37,382.32 : 56,083.56 = 12,426.40 : x
2. Step 2: Convert to fraction form
   37,382.32/56,083.56 = 12,426.40/x
3. Step 3: Cross multiply
   37,382.32x = 56,083.56 × 12,426.40
4. Step 4: Simplify right side
   37,382.32x = 696,916,749.98
5. Step 5: Solve for x
   x = 696,916,749.98/37,382.32
6. Step 6: Final answer
   x = 18,642.95