Finding the Fourth Proportional to 69,907.38, 104,773.56 and 55,057.62

Step by Step Solution

1. Step 1: Write the proportion equation
   69,907.38 : 104,773.56 = 55,057.62 : x
2. Step 2: Convert to fraction form
   69,907.38/104,773.56 = 55,057.62/x
3. Step 3: Cross multiply
   69,907.38x = 104,773.56 × 55,057.62
4. Step 4: Simplify right side
   69,907.38x = 5,768,582,852.53
5. Step 5: Solve for x
   x = 5,768,582,852.53/69,907.38
6. Step 6: Final answer
   x = 82,517.51