Finding the Fourth Proportional to 83,631, 115,410.84 and 45,907.68

Step by Step Solution

1. Step 1: Write the proportion equation
   83,631 : 115,410.84 = 45,907.68 : x
2. Step 2: Convert to fraction form
   83,631/115,410.84 = 45,907.68/x
3. Step 3: Cross multiply
   83,631x = 115,410.84 × 45,907.68
4. Step 4: Simplify right side
   83,631x = 5,298,243,911.25
5. Step 5: Solve for x
   x = 5,298,243,911.25/83,631
6. Step 6: Final answer
   x = 63,352.63