Finding the Fourth Proportional to 37,081.81, 51,172.98 and 20,085.99

Step by Step Solution

1. Step 1: Write the proportion equation
   37,081.81 : 51,172.98 = 20,085.99 : x
2. Step 2: Convert to fraction form
   37,081.81/51,172.98 = 20,085.99/x
3. Step 3: Cross multiply
   37,081.81x = 51,172.98 × 20,085.99
4. Step 4: Simplify right side
   37,081.81x = 1,027,859,964.55
5. Step 5: Solve for x
   x = 1,027,859,964.55/37,081.81
6. Step 6: Final answer
   x = 27,718.71