Finding the Fourth Proportional to 53,384.56, 73,678.04 and 30,723.10

Step by Step Solution

1. Step 1: Write the proportion equation
   53,384.56 : 73,678.04 = 30,723.10 : x
2. Step 2: Convert to fraction form
   53,384.56/73,678.04 = 30,723.10/x
3. Step 3: Cross multiply
   53,384.56x = 73,678.04 × 30,723.10
4. Step 4: Simplify right side
   53,384.56x = 2,263,617,790.72
5. Step 5: Solve for x
   x = 2,263,617,790.72/53,384.56
6. Step 6: Final answer
   x = 42,402.11