Finding the Fourth Proportional to 37,912.17, 56,869.59 and 14,217.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,912.17 : 56,869.59 = 14,217.31 : x
2. Step 2: Convert to fraction form
   37,912.17/56,869.59 = 14,217.31/x
3. Step 3: Cross multiply
   37,912.17x = 56,869.59 × 14,217.31
4. Step 4: Simplify right side
   37,912.17x = 808,532,590.60
5. Step 5: Solve for x
   x = 808,532,590.60/37,912.17
6. Step 6: Final answer
   x = 21,326.47