Finding the Fourth Proportional to 118,469.69, 177,735.69 and 42,575.90

Step by Step Solution

1. Step 1: Write the proportion equation
   118,469.69 : 177,735.69 = 42,575.90 : x
2. Step 2: Convert to fraction form
   118,469.69/177,735.69 = 42,575.90/x
3. Step 3: Cross multiply
   118,469.69x = 177,735.69 × 42,575.90
4. Step 4: Simplify right side
   118,469.69x = 7,567,256,194.94
5. Step 5: Solve for x
   x = 7,567,256,194.94/118,469.69
6. Step 6: Final answer
   x = 63,875.04