Finding the Fourth Proportional to 47,142.95, 65,059.60 and 29,243.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,142.95 : 65,059.60 = 29,243.72 : x
2. Step 2: Convert to fraction form
   47,142.95/65,059.60 = 29,243.72/x
3. Step 3: Cross multiply
   47,142.95x = 65,059.60 × 29,243.72
4. Step 4: Simplify right side
   47,142.95x = 1,902,584,636.17
5. Step 5: Solve for x
   x = 1,902,584,636.17/47,142.95
6. Step 6: Final answer
   x = 40,357.78