Finding the Fourth Proportional to 69,892.57, 104,751.38 and 55,042.84

Step by Step Solution

1. Step 1: Write the proportion equation
   69,892.57 : 104,751.38 = 55,042.84 : x
2. Step 2: Convert to fraction form
   69,892.57/104,751.38 = 55,042.84/x
3. Step 3: Cross multiply
   69,892.57x = 104,751.38 × 55,042.84
4. Step 4: Simplify right side
   69,892.57x = 5,765,813,408.05
5. Step 5: Solve for x
   x = 5,765,813,408.05/69,892.57
6. Step 6: Final answer
   x = 82,495.37