Finding the Fourth Proportional to 47,505.42, 65,596.23 and 30,518.10

Step by Step Solution

1. Step 1: Write the proportion equation
   47,505.42 : 65,596.23 = 30,518.10 : x
2. Step 2: Convert to fraction form
   47,505.42/65,596.23 = 30,518.10/x
3. Step 3: Cross multiply
   47,505.42x = 65,596.23 × 30,518.10
4. Step 4: Simplify right side
   47,505.42x = 2,001,872,306.76
5. Step 5: Solve for x
   x = 2,001,872,306.76/47,505.42
6. Step 6: Final answer
   x = 42,139.87