Finding the Fourth Proportional to 54,100.45, 74,653.15 and 37,119.31

Step by Step Solution

1. Step 1: Write the proportion equation
   54,100.45 : 74,653.15 = 37,119.31 : x
2. Step 2: Convert to fraction form
   54,100.45/74,653.15 = 37,119.31/x
3. Step 3: Cross multiply
   54,100.45x = 74,653.15 × 37,119.31
4. Step 4: Simplify right side
   54,100.45x = 2,771,073,417.33
5. Step 5: Solve for x
   x = 2,771,073,417.33/54,100.45
6. Step 6: Final answer
   x = 51,220.89