Finding the Fourth Proportional to 139,491.96, 192,499.53 and 75,829.59

Step by Step Solution

1. Step 1: Write the proportion equation
   139,491.96 : 192,499.53 = 75,829.59 : x
2. Step 2: Convert to fraction form
   139,491.96/192,499.53 = 75,829.59/x
3. Step 3: Cross multiply
   139,491.96x = 192,499.53 × 75,829.59
4. Step 4: Simplify right side
   139,491.96x = 14,597,160,435.09
5. Step 5: Solve for x
   x = 14,597,160,435.09/139,491.96
6. Step 6: Final answer
   x = 104,645.17