Finding the Fourth Proportional to 69,924.72, 104,799.52 and 55,075

Step by Step Solution

1. Step 1: Write the proportion equation
   69,924.72 : 104,799.52 = 55,075 : x
2. Step 2: Convert to fraction form
   69,924.72/104,799.52 = 55,075/x
3. Step 3: Cross multiply
   69,924.72x = 104,799.52 × 55,075
4. Step 4: Simplify right side
   69,924.72x = 5,771,833,564
5. Step 5: Solve for x
   x = 5,771,833,564/69,924.72
6. Step 6: Final answer
   x = 82,543.53