Finding the Fourth Proportional to 69,517.82, 104,196.02 and 31,999.12

Step by Step Solution

1. Step 1: Write the proportion equation
   69,517.82 : 104,196.02 = 31,999.12 : x
2. Step 2: Convert to fraction form
   69,517.82/104,196.02 = 31,999.12/x
3. Step 3: Cross multiply
   69,517.82x = 104,196.02 × 31,999.12
4. Step 4: Simplify right side
   69,517.82x = 3,334,180,947.50
5. Step 5: Solve for x
   x = 3,334,180,947.50/69,517.82
6. Step 6: Final answer
   x = 47,961.53