Finding the Fourth Proportional to 83,891.49, 115,770.78 and 45,651.33

Step by Step Solution

1. Step 1: Write the proportion equation
   83,891.49 : 115,770.78 = 45,651.33 : x
2. Step 2: Convert to fraction form
   83,891.49/115,770.78 = 45,651.33/x
3. Step 3: Cross multiply
   83,891.49x = 115,770.78 × 45,651.33
4. Step 4: Simplify right side
   83,891.49x = 5,285,090,082.14
5. Step 5: Solve for x
   x = 5,285,090,082.14/83,891.49
6. Step 6: Final answer
   x = 62,999.12