Finding the Fourth Proportional to 117,036.37, 175,513.04 and 42,136.40

Step by Step Solution

1. Step 1: Write the proportion equation
   117,036.37 : 175,513.04 = 42,136.40 : x
2. Step 2: Convert to fraction form
   117,036.37/175,513.04 = 42,136.40/x
3. Step 3: Cross multiply
   117,036.37x = 175,513.04 × 42,136.40
4. Step 4: Simplify right side
   117,036.37x = 7,395,488,044.77
5. Step 5: Solve for x
   x = 7,395,488,044.77/117,036.37
6. Step 6: Final answer
   x = 63,189.66