Finding the Fourth Proportional to 37,131.76, 51,243 and 20,366.32

Step by Step Solution

1. Step 1: Write the proportion equation
   37,131.76 : 51,243 = 20,366.32 : x
2. Step 2: Convert to fraction form
   37,131.76/51,243 = 20,366.32/x
3. Step 3: Cross multiply
   37,131.76x = 51,243 × 20,366.32
4. Step 4: Simplify right side
   37,131.76x = 1,043,631,335.76
5. Step 5: Solve for x
   x = 1,043,631,335.76/37,131.76
6. Step 6: Final answer
   x = 28,106.16