Finding the Fourth Proportional to 192,596.72, 265,868.61 and 115,099.72

Step by Step Solution

1. Step 1: Write the proportion equation
   192,596.72 : 265,868.61 = 115,099.72 : x
2. Step 2: Convert to fraction form
   192,596.72/265,868.61 = 115,099.72/x
3. Step 3: Cross multiply
   192,596.72x = 265,868.61 × 115,099.72
4. Step 4: Simplify right side
   192,596.72x = 30,601,400,662.95
5. Step 5: Solve for x
   x = 30,601,400,662.95/192,596.72
6. Step 6: Final answer
   x = 158,888.48