Finding the Fourth Proportional to 117,167.91, 175,715.55 and 42,278.37

Step by Step Solution

1. Step 1: Write the proportion equation
   117,167.91 : 175,715.55 = 42,278.37 : x
2. Step 2: Convert to fraction form
   117,167.91/175,715.55 = 42,278.37/x
3. Step 3: Cross multiply
   117,167.91x = 175,715.55 × 42,278.37
4. Step 4: Simplify right side
   117,167.91x = 7,428,967,037.65
5. Step 5: Solve for x
   x = 7,428,967,037.65/117,167.91
6. Step 6: Final answer
   x = 63,404.45