Finding the Fourth Proportional to 67,265, 92,825.70 and 38,987.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67,265 : 92,825.70 = 38,987.10 : x
2. Step 2: Convert to fraction form
   67,265/92,825.70 = 38,987.10/x
3. Step 3: Cross multiply
   67,265x = 92,825.70 × 38,987.10
4. Step 4: Simplify right side
   67,265x = 3,619,004,848.47
5. Step 5: Solve for x
   x = 3,619,004,848.47/67,265
6. Step 6: Final answer
   x = 53,802.20