Finding the Fourth Proportional to 62,436, 86,162.04 and 40,080

Step by Step Solution

1. Step 1: Write the proportion equation
   62,436 : 86,162.04 = 40,080 : x
2. Step 2: Convert to fraction form
   62,436/86,162.04 = 40,080/x
3. Step 3: Cross multiply
   62,436x = 86,162.04 × 40,080
4. Step 4: Simplify right side
   62,436x = 3,453,374,563.20
5. Step 5: Solve for x
   x = 3,453,374,563.20/62,436
6. Step 6: Final answer
   x = 55,310.63