Finding the Fourth Proportional to 37,448.18, 51,678.52 and 20,681.18

Step by Step Solution

1. Step 1: Write the proportion equation
   37,448.18 : 51,678.52 = 20,681.18 : x
2. Step 2: Convert to fraction form
   37,448.18/51,678.52 = 20,681.18/x
3. Step 3: Cross multiply
   37,448.18x = 51,678.52 × 20,681.18
4. Step 4: Simplify right side
   37,448.18x = 1,068,772,774.25
5. Step 5: Solve for x
   x = 1,068,772,774.25/37,448.18
6. Step 6: Final answer
   x = 28,540.05