Finding the Fourth Proportional to 113,806.62, 157,112.12 and 83,145.29

Step by Step Solution

1. Step 1: Write the proportion equation
   113,806.62 : 157,112.12 = 83,145.29 : x
2. Step 2: Convert to fraction form
   113,806.62/157,112.12 = 83,145.29/x
3. Step 3: Cross multiply
   113,806.62x = 157,112.12 × 83,145.29
4. Step 4: Simplify right side
   113,806.62x = 13,063,132,202.22
5. Step 5: Solve for x
   x = 13,063,132,202.22/113,806.62
6. Step 6: Final answer
   x = 114,783.59