Finding the Fourth Proportional to 151,498.78, 209,446.23 and 113,707.42

Step by Step Solution

1. Step 1: Write the proportion equation
   151,498.78 : 209,446.23 = 113,707.42 : x
2. Step 2: Convert to fraction form
   151,498.78/209,446.23 = 113,707.42/x
3. Step 3: Cross multiply
   151,498.78x = 209,446.23 × 113,707.42
4. Step 4: Simplify right side
   151,498.78x = 23,815,590,442.03
5. Step 5: Solve for x
   x = 23,815,590,442.03/151,498.78
6. Step 6: Final answer
   x = 157,199.88