Finding the Fourth Proportional to 139,458.30, 192,452.48 and 75,796.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,458.30 : 192,452.48 = 75,796.10 : x
2. Step 2: Convert to fraction form
   139,458.30/192,452.48 = 75,796.10/x
3. Step 3: Cross multiply
   139,458.30x = 192,452.48 × 75,796.10
4. Step 4: Simplify right side
   139,458.30x = 14,587,147,419.33
5. Step 5: Solve for x
   x = 14,587,147,419.33/139,458.30
6. Step 6: Final answer
   x = 104,598.63