Finding the Fourth Proportional to 54,173.43, 74,749.37 and 30,300.30

Step by Step Solution

1. Step 1: Write the proportion equation
   54,173.43 : 74,749.37 = 30,300.30 : x
2. Step 2: Convert to fraction form
   54,173.43/74,749.37 = 30,300.30/x
3. Step 3: Cross multiply
   54,173.43x = 74,749.37 × 30,300.30
4. Step 4: Simplify right side
   54,173.43x = 2,264,928,184.31
5. Step 5: Solve for x
   x = 2,264,928,184.31/54,173.43
6. Step 6: Final answer
   x = 41,808.84