Finding the Fourth Proportional to 151,730.26, 209,388.51 and 83,747.37

Step by Step Solution

1. Step 1: Write the proportion equation
   151,730.26 : 209,388.51 = 83,747.37 : x
2. Step 2: Convert to fraction form
   151,730.26/209,388.51 = 83,747.37/x
3. Step 3: Cross multiply
   151,730.26x = 209,388.51 × 83,747.37
4. Step 4: Simplify right side
   151,730.26x = 17,535,735,973.78
5. Step 5: Solve for x
   x = 17,535,735,973.78/151,730.26
6. Step 6: Final answer
   x = 115,571.78