Finding the Fourth Proportional to 69,510.81, 104,185.55 and 31,992.11

Step by Step Solution

1. Step 1: Write the proportion equation
   69,510.81 : 104,185.55 = 31,992.11 : x
2. Step 2: Convert to fraction form
   69,510.81/104,185.55 = 31,992.11/x
3. Step 3: Cross multiply
   69,510.81x = 104,185.55 × 31,992.11
4. Step 4: Simplify right side
   69,510.81x = 3,333,114,895.12
5. Step 5: Solve for x
   x = 3,333,114,895.12/69,510.81
6. Step 6: Final answer
   x = 47,951.03