Finding the Fourth Proportional to 69,510.05, 104,184.53 and 31,991.36

Step by Step Solution

1. Step 1: Write the proportion equation
   69,510.05 : 104,184.53 = 31,991.36 : x
2. Step 2: Convert to fraction form
   69,510.05/104,184.53 = 31,991.36/x
3. Step 3: Cross multiply
   69,510.05x = 104,184.53 × 31,991.36
4. Step 4: Simplify right side
   69,510.05x = 3,333,004,244.75
5. Step 5: Solve for x
   x = 3,333,004,244.75/69,510.05
6. Step 6: Final answer
   x = 47,949.96