Finding the Fourth Proportional to 117,196.53, 175,644.54 and 57,238.71

Step by Step Solution

1. Step 1: Write the proportion equation
   117,196.53 : 175,644.54 = 57,238.71 : x
2. Step 2: Convert to fraction form
   117,196.53/175,644.54 = 57,238.71/x
3. Step 3: Cross multiply
   117,196.53x = 175,644.54 × 57,238.71
4. Step 4: Simplify right side
   117,196.53x = 10,053,666,888.14
5. Step 5: Solve for x
   x = 10,053,666,888.14/117,196.53
6. Step 6: Final answer
   x = 85,784.68