Finding the Fourth Proportional to 139,575, 192,531.42 and 82,983

Step by Step Solution

1. Step 1: Write the proportion equation
   139,575 : 192,531.42 = 82,983 : x
2. Step 2: Convert to fraction form
   139,575/192,531.42 = 82,983/x
3. Step 3: Cross multiply
   139,575x = 192,531.42 × 82,983
4. Step 4: Simplify right side
   139,575x = 15,976,834,825.86
5. Step 5: Solve for x
   x = 15,976,834,825.86/139,575
6. Step 6: Final answer
   x = 114,467.74