Finding the Fourth Proportional to 47,640.42, 65,773.89 and 30,652.56

Step by Step Solution

1. Step 1: Write the proportion equation
   47,640.42 : 65,773.89 = 30,652.56 : x
2. Step 2: Convert to fraction form
   47,640.42/65,773.89 = 30,652.56/x
3. Step 3: Cross multiply
   47,640.42x = 65,773.89 × 30,652.56
4. Step 4: Simplify right side
   47,640.42x = 2,016,138,109.66
5. Step 5: Solve for x
   x = 2,016,138,109.66/47,640.42
6. Step 6: Final answer
   x = 42,319.91