Finding the Fourth Proportional to 52,379.63, 72,271.27 and 30,870.23

Step by Step Solution

1. Step 1: Write the proportion equation
   52,379.63 : 72,271.27 = 30,870.23 : x
2. Step 2: Convert to fraction form
   52,379.63/72,271.27 = 30,870.23/x
3. Step 3: Cross multiply
   52,379.63x = 72,271.27 × 30,870.23
4. Step 4: Simplify right side
   52,379.63x = 2,231,030,727.29
5. Step 5: Solve for x
   x = 2,231,030,727.29/52,379.63
6. Step 6: Final answer
   x = 42,593.48