Finding the Fourth Proportional to 118,472.03, 177,739.17 and 42,578.23

Step by Step Solution

1. Step 1: Write the proportion equation
   118,472.03 : 177,739.17 = 42,578.23 : x
2. Step 2: Convert to fraction form
   118,472.03/177,739.17 = 42,578.23/x
3. Step 3: Cross multiply
   118,472.03x = 177,739.17 × 42,578.23
4. Step 4: Simplify right side
   118,472.03x = 7,567,819,047.38
5. Step 5: Solve for x
   x = 7,567,819,047.38/118,472.03
6. Step 6: Final answer
   x = 63,878.53