Finding the Fourth Proportional to 78,452.37, 108,263.62 and 42,642.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,452.37 : 108,263.62 = 42,642.27 : x
2. Step 2: Convert to fraction form
   78,452.37/108,263.62 = 42,642.27/x
3. Step 3: Cross multiply
   78,452.37x = 108,263.62 × 42,642.27
4. Step 4: Simplify right side
   78,452.37x = 4,616,606,515.22
5. Step 5: Solve for x
   x = 4,616,606,515.22/78,452.37
6. Step 6: Final answer
   x = 58,845.98