Finding the Fourth Proportional to 139,089.05, 191,942.94 and 75,426.83

Step by Step Solution

1. Step 1: Write the proportion equation
   139,089.05 : 191,942.94 = 75,426.83 : x
2. Step 2: Convert to fraction form
   139,089.05/191,942.94 = 75,426.83/x
3. Step 3: Cross multiply
   139,089.05x = 191,942.94 × 75,426.83
4. Step 4: Simplify right side
   139,089.05x = 14,477,647,505.08
5. Step 5: Solve for x
   x = 14,477,647,505.08/139,089.05
6. Step 6: Final answer
   x = 104,089.05