Finding the Fourth Proportional to 92,855.32, 139,266.52 and 42,242.59

Step by Step Solution

1. Step 1: Write the proportion equation
   92,855.32 : 139,266.52 = 42,242.59 : x
2. Step 2: Convert to fraction form
   92,855.32/139,266.52 = 42,242.59/x
3. Step 3: Cross multiply
   92,855.32x = 139,266.52 × 42,242.59
4. Step 4: Simplify right side
   92,855.32x = 5,882,978,399.48
5. Step 5: Solve for x
   x = 5,882,978,399.48/92,855.32
6. Step 6: Final answer
   x = 63,356.39