Finding the Fourth Proportional to 139,336.58, 192,284.82 and 75,673.02

Step by Step Solution

1. Step 1: Write the proportion equation
   139,336.58 : 192,284.82 = 75,673.02 : x
2. Step 2: Convert to fraction form
   139,336.58/192,284.82 = 75,673.02/x
3. Step 3: Cross multiply
   139,336.58x = 192,284.82 × 75,673.02
4. Step 4: Simplify right side
   139,336.58x = 14,550,773,029.56
5. Step 5: Solve for x
   x = 14,550,773,029.56/139,336.58
6. Step 6: Final answer
   x = 104,428.95