Finding the Fourth Proportional to 53,158.73, 73,369.67 and 30,513.03

Step by Step Solution

1. Step 1: Write the proportion equation
   53,158.73 : 73,369.67 = 30,513.03 : x
2. Step 2: Convert to fraction form
   53,158.73/73,369.67 = 30,513.03/x
3. Step 3: Cross multiply
   53,158.73x = 73,369.67 × 30,513.03
4. Step 4: Simplify right side
   53,158.73x = 2,238,730,977.90
5. Step 5: Solve for x
   x = 2,238,730,977.90/53,158.73
6. Step 6: Final answer
   x = 42,114.08