Finding the Fourth Proportional to 83,872.26, 115,744.41 and 45,631.89

Step by Step Solution

1. Step 1: Write the proportion equation
   83,872.26 : 115,744.41 = 45,631.89 : x
2. Step 2: Convert to fraction form
   83,872.26/115,744.41 = 45,631.89/x
3. Step 3: Cross multiply
   83,872.26x = 115,744.41 × 45,631.89
4. Step 4: Simplify right side
   83,872.26x = 5,281,636,185.23
5. Step 5: Solve for x
   x = 5,281,636,185.23/83,872.26
6. Step 6: Final answer
   x = 62,972.38