Finding the Fourth Proportional to 52,480.80, 72,423.98 and 30,971.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,480.80 : 72,423.98 = 30,971.04 : x
2. Step 2: Convert to fraction form
   52,480.80/72,423.98 = 30,971.04/x
3. Step 3: Cross multiply
   52,480.80x = 72,423.98 × 30,971.04
4. Step 4: Simplify right side
   52,480.80x = 2,243,045,826.68
5. Step 5: Solve for x
   x = 2,243,045,826.68/52,480.80
6. Step 6: Final answer
   x = 42,740.31