Finding the Fourth Proportional to 83,131.36, 114,721.40 and 47,321.37

Step by Step Solution

1. Step 1: Write the proportion equation
   83,131.36 : 114,721.40 = 47,321.37 : x
2. Step 2: Convert to fraction form
   83,131.36/114,721.40 = 47,321.37/x
3. Step 3: Cross multiply
   83,131.36x = 114,721.40 × 47,321.37
4. Step 4: Simplify right side
   83,131.36x = 5,428,773,934.62
5. Step 5: Solve for x
   x = 5,428,773,934.62/83,131.36
6. Step 6: Final answer
   x = 65,303.56