Finding the Fourth Proportional to 52,825.80, 72,905.76 and 30,168.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,825.80 : 72,905.76 = 30,168.04 : x
2. Step 2: Convert to fraction form
   52,825.80/72,905.76 = 30,168.04/x
3. Step 3: Cross multiply
   52,825.80x = 72,905.76 × 30,168.04
4. Step 4: Simplify right side
   52,825.80x = 2,199,423,883.91
5. Step 5: Solve for x
   x = 2,199,423,883.91/52,825.80
6. Step 6: Final answer
   x = 41,635.41