Finding the Fourth Proportional to 83,654.69, 115,443.56 and 45,414.21

Step by Step Solution

1. Step 1: Write the proportion equation
   83,654.69 : 115,443.56 = 45,414.21 : x
2. Step 2: Convert to fraction form
   83,654.69/115,443.56 = 45,414.21/x
3. Step 3: Cross multiply
   83,654.69x = 115,443.56 × 45,414.21
4. Step 4: Simplify right side
   83,654.69x = 5,242,777,849.92
5. Step 5: Solve for x
   x = 5,242,777,849.92/83,654.69
6. Step 6: Final answer
   x = 62,671.66