Finding the Fourth Proportional to 139,039.39, 191,869.18 and 75,375.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,039.39 : 191,869.18 = 75,375.82 : x
2. Step 2: Convert to fraction form
   139,039.39/191,869.18 = 75,375.82/x
3. Step 3: Cross multiply
   139,039.39x = 191,869.18 × 75,375.82
4. Step 4: Simplify right side
   139,039.39x = 14,462,296,775.23
5. Step 5: Solve for x
   x = 14,462,296,775.23/139,039.39
6. Step 6: Final answer
   x = 104,015.82