Finding the Fourth Proportional to 53,930.63, 74,426.57 and 30,057.30

Step by Step Solution

1. Step 1: Write the proportion equation
   53,930.63 : 74,426.57 = 30,057.30 : x
2. Step 2: Convert to fraction form
   53,930.63/74,426.57 = 30,057.30/x
3. Step 3: Cross multiply
   53,930.63x = 74,426.57 × 30,057.30
4. Step 4: Simplify right side
   53,930.63x = 2,237,061,742.46
5. Step 5: Solve for x
   x = 2,237,061,742.46/53,930.63
6. Step 6: Final answer
   x = 41,480.36