Finding the Fourth Proportional to 37,617.40, 56,426.91 and 13,926.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,617.40 : 56,426.91 = 13,926.12 : x
2. Step 2: Convert to fraction form
   37,617.40/56,426.91 = 13,926.12/x
3. Step 3: Cross multiply
   37,617.40x = 56,426.91 × 13,926.12
4. Step 4: Simplify right side
   37,617.40x = 785,807,919.89
5. Step 5: Solve for x
   x = 785,807,919.89/37,617.40
6. Step 6: Final answer
   x = 20,889.48