Finding the Fourth Proportional to 139,419.01, 192,399.39 and 75,756.81

Step by Step Solution

1. Step 1: Write the proportion equation
   139,419.01 : 192,399.39 = 75,756.81 : x
2. Step 2: Convert to fraction form
   139,419.01/192,399.39 = 75,756.81/x
3. Step 3: Cross multiply
   139,419.01x = 192,399.39 × 75,756.81
4. Step 4: Simplify right side
   139,419.01x = 14,575,563,294.50
5. Step 5: Solve for x
   x = 14,575,563,294.50/139,419.01
6. Step 6: Final answer
   x = 104,545.02