Finding the Fourth Proportional to 78,662.58, 108,554.24 and 42,852.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,662.58 : 108,554.24 = 42,852.56 : x
2. Step 2: Convert to fraction form
   78,662.58/108,554.24 = 42,852.56/x
3. Step 3: Cross multiply
   78,662.58x = 108,554.24 × 42,852.56
4. Step 4: Simplify right side
   78,662.58x = 4,651,827,082.85
5. Step 5: Solve for x
   x = 4,651,827,082.85/78,662.58
6. Step 6: Final answer
   x = 59,136.47