Finding the Fourth Proportional to 139,184.10, 192,071.54 and 84,716.54

Step by Step Solution

1. Step 1: Write the proportion equation
   139,184.10 : 192,071.54 = 84,716.54 : x
2. Step 2: Convert to fraction form
   139,184.10/192,071.54 = 84,716.54/x
3. Step 3: Cross multiply
   139,184.10x = 192,071.54 × 84,716.54
4. Step 4: Simplify right side
   139,184.10x = 16,271,636,301.27
5. Step 5: Solve for x
   x = 16,271,636,301.27/139,184.10
6. Step 6: Final answer
   x = 116,907.29