Finding the Fourth Proportional to 69,922.23, 104,795.78 and 55,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,922.23 : 104,795.78 = 55,072.50 : x
2. Step 2: Convert to fraction form
   69,922.23/104,795.78 = 55,072.50/x
3. Step 3: Cross multiply
   69,922.23x = 104,795.78 × 55,072.50
4. Step 4: Simplify right side
   69,922.23x = 5,771,365,318.69
5. Step 5: Solve for x
   x = 5,771,365,318.69/69,922.23
6. Step 6: Final answer
   x = 82,539.78