Finding the Fourth Proportional to 139,333.41, 192,282.34 and 75,671.21

Step by Step Solution

1. Step 1: Write the proportion equation
   139,333.41 : 192,282.34 = 75,671.21 : x
2. Step 2: Convert to fraction form
   139,333.41/192,282.34 = 75,671.21/x
3. Step 3: Cross multiply
   139,333.41x = 192,282.34 × 75,671.21
4. Step 4: Simplify right side
   139,333.41x = 14,550,236,368.02
5. Step 5: Solve for x
   x = 14,550,236,368.02/139,333.41
6. Step 6: Final answer
   x = 104,427.48