Finding the Fourth Proportional to 68,987.75, 95,205.72 and 42,142.32

Step by Step Solution

1. Step 1: Write the proportion equation
   68,987.75 : 95,205.72 = 42,142.32 : x
2. Step 2: Convert to fraction form
   68,987.75/95,205.72 = 42,142.32/x
3. Step 3: Cross multiply
   68,987.75x = 95,205.72 × 42,142.32
4. Step 4: Simplify right side
   68,987.75x = 4,012,189,918.07
5. Step 5: Solve for x
   x = 4,012,189,918.07/68,987.75
6. Step 6: Final answer
   x = 58,158.01