Finding the Fourth Proportional to 139,124.27, 191,991.83 and 75,462.07

Step by Step Solution

1. Step 1: Write the proportion equation
   139,124.27 : 191,991.83 = 75,462.07 : x
2. Step 2: Convert to fraction form
   139,124.27/191,991.83 = 75,462.07/x
3. Step 3: Cross multiply
   139,124.27x = 191,991.83 × 75,462.07
4. Step 4: Simplify right side
   139,124.27x = 14,488,099,577.62
5. Step 5: Solve for x
   x = 14,488,099,577.62/139,124.27
6. Step 6: Final answer
   x = 104,137.83