Finding the Fourth Proportional to 37,517.78, 56,259.32 and 13,819.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,517.78 : 56,259.32 = 13,819.34 : x
2. Step 2: Convert to fraction form
   37,517.78/56,259.32 = 13,819.34/x
3. Step 3: Cross multiply
   37,517.78x = 56,259.32 × 13,819.34
4. Step 4: Simplify right side
   37,517.78x = 777,466,671.25
5. Step 5: Solve for x
   x = 777,466,671.25/37,517.78
6. Step 6: Final answer
   x = 20,722.62