Finding the Fourth Proportional to 78,139.94, 117,053.58 and 35,962.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,139.94 : 117,053.58 = 35,962.23 : x
2. Step 2: Convert to fraction form
   78,139.94/117,053.58 = 35,962.23/x
3. Step 3: Cross multiply
   78,139.94x = 117,053.58 × 35,962.23
4. Step 4: Simplify right side
   78,139.94x = 4,209,507,766.28
5. Step 5: Solve for x
   x = 4,209,507,766.28/78,139.94
6. Step 6: Final answer
   x = 53,871.40