Finding the Fourth Proportional to 113,808.54, 157,114.81 and 83,147.21

Step by Step Solution

1. Step 1: Write the proportion equation
   113,808.54 : 157,114.81 = 83,147.21 : x
2. Step 2: Convert to fraction form
   113,808.54/157,114.81 = 83,147.21/x
3. Step 3: Cross multiply
   113,808.54x = 157,114.81 × 83,147.21
4. Step 4: Simplify right side
   113,808.54x = 13,063,658,008.72
5. Step 5: Solve for x
   x = 13,063,658,008.72/113,808.54
6. Step 6: Final answer
   x = 114,786.27