Finding the Fourth Proportional to 151,783, 209,460.54 and 84,715

Step by Step Solution

1. Step 1: Write the proportion equation
   151,783 : 209,460.54 = 84,715 : x
2. Step 2: Convert to fraction form
   151,783/209,460.54 = 84,715/x
3. Step 3: Cross multiply
   151,783x = 209,460.54 × 84,715
4. Step 4: Simplify right side
   151,783x = 17,744,449,646.10
5. Step 5: Solve for x
   x = 17,744,449,646.10/151,783
6. Step 6: Final answer
   x = 116,906.70