Finding the Fourth Proportional to 139,519.69, 209,279.54 and 41,023.69

Step by Step Solution

1. Step 1: Write the proportion equation
   139,519.69 : 209,279.54 = 41,023.69 : x
2. Step 2: Convert to fraction form
   139,519.69/209,279.54 = 41,023.69/x
3. Step 3: Cross multiply
   139,519.69x = 209,279.54 × 41,023.69
4. Step 4: Simplify right side
   139,519.69x = 8,585,418,551.66
5. Step 5: Solve for x
   x = 8,585,418,551.66/139,519.69
6. Step 6: Final answer
   x = 61,535.53