Finding the Fourth Proportional to 47,059.50, 64,942.47 and 26,915.17

Step by Step Solution

1. Step 1: Write the proportion equation
   47,059.50 : 64,942.47 = 26,915.17 : x
2. Step 2: Convert to fraction form
   47,059.50/64,942.47 = 26,915.17/x
3. Step 3: Cross multiply
   47,059.50x = 64,942.47 × 26,915.17
4. Step 4: Simplify right side
   47,059.50x = 1,747,937,620.27
5. Step 5: Solve for x
   x = 1,747,937,620.27/47,059.50
6. Step 6: Final answer
   x = 37,143.14