Finding the Fourth Proportional to 139,860.02, 193,031.79 and 82,495.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,860.02 : 193,031.79 = 82,495.82 : x
2. Step 2: Convert to fraction form
   139,860.02/193,031.79 = 82,495.82/x
3. Step 3: Cross multiply
   139,860.02x = 193,031.79 × 82,495.82
4. Step 4: Simplify right side
   139,860.02x = 15,924,315,802.12
5. Step 5: Solve for x
   x = 15,924,315,802.12/139,860.02
6. Step 6: Final answer
   x = 113,858.96