Finding the Fourth Proportional to 69,440.72, 104,021.76 and 31,948.56

Step by Step Solution

1. Step 1: Write the proportion equation
   69,440.72 : 104,021.76 = 31,948.56 : x
2. Step 2: Convert to fraction form
   69,440.72/104,021.76 = 31,948.56/x
3. Step 3: Cross multiply
   69,440.72x = 104,021.76 × 31,948.56
4. Step 4: Simplify right side
   69,440.72x = 3,323,345,440.67
5. Step 5: Solve for x
   x = 3,323,345,440.67/69,440.72
6. Step 6: Final answer
   x = 47,858.74