Finding the Fourth Proportional to 37,769.88, 56,662.38 and 21,153.54

Step by Step Solution

1. Step 1: Write the proportion equation
   37,769.88 : 56,662.38 = 21,153.54 : x
2. Step 2: Convert to fraction form
   37,769.88/56,662.38 = 21,153.54/x
3. Step 3: Cross multiply
   37,769.88x = 56,662.38 × 21,153.54
4. Step 4: Simplify right side
   37,769.88x = 1,198,609,921.83
5. Step 5: Solve for x
   x = 1,198,609,921.83/37,769.88
6. Step 6: Final answer
   x = 31,734.54