Finding the Fourth Proportional to 139,041.39, 191,871.94 and 75,377.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,041.39 : 191,871.94 = 75,377.82 : x
2. Step 2: Convert to fraction form
   139,041.39/191,871.94 = 75,377.82/x
3. Step 3: Cross multiply
   139,041.39x = 191,871.94 × 75,377.82
4. Step 4: Simplify right side
   139,041.39x = 14,462,888,556.37
5. Step 5: Solve for x
   x = 14,462,888,556.37/139,041.39
6. Step 6: Final answer
   x = 104,018.58