Finding the Fourth Proportional to 81,132, 111,962.16 and 45,804

Step by Step Solution

1. Step 1: Write the proportion equation
   81,132 : 111,962.16 = 45,804 : x
2. Step 2: Convert to fraction form
   81,132/111,962.16 = 45,804/x
3. Step 3: Cross multiply
   81,132x = 111,962.16 × 45,804
4. Step 4: Simplify right side
   81,132x = 5,128,314,776.64
5. Step 5: Solve for x
   x = 5,128,314,776.64/81,132
6. Step 6: Final answer
   x = 63,209.52