Finding the Fourth Proportional to 151,930.18, 209,673.52 and 83,947.16

Step by Step Solution

1. Step 1: Write the proportion equation
   151,930.18 : 209,673.52 = 83,947.16 : x
2. Step 2: Convert to fraction form
   151,930.18/209,673.52 = 83,947.16/x
3. Step 3: Cross multiply
   151,930.18x = 209,673.52 × 83,947.16
4. Step 4: Simplify right side
   151,930.18x = 17,601,496,531.20
5. Step 5: Solve for x
   x = 17,601,496,531.20/151,930.18
6. Step 6: Final answer
   x = 115,852.54