Finding the Fourth Proportional to 69,902.73, 104,766.55 and 55,053

Step by Step Solution

1. Step 1: Write the proportion equation
   69,902.73 : 104,766.55 = 55,053 : x
2. Step 2: Convert to fraction form
   69,902.73/104,766.55 = 55,053/x
3. Step 3: Cross multiply
   69,902.73x = 104,766.55 × 55,053
4. Step 4: Simplify right side
   69,902.73x = 5,767,712,739.52
5. Step 5: Solve for x
   x = 5,767,712,739.52/69,902.73
6. Step 6: Final answer
   x = 82,510.55