Finding the Fourth Proportional to 117,196.03, 175,643.79 and 57,238.21

Step by Step Solution

1. Step 1: Write the proportion equation
   117,196.03 : 175,643.79 = 57,238.21 : x
2. Step 2: Convert to fraction form
   117,196.03/175,643.79 = 57,238.21/x
3. Step 3: Cross multiply
   117,196.03x = 175,643.79 × 57,238.21
4. Step 4: Simplify right side
   117,196.03x = 10,053,536,137.22
5. Step 5: Solve for x
   x = 10,053,536,137.22/117,196.03
6. Step 6: Final answer
   x = 85,783.93