Finding the Fourth Proportional to 79,023.37, 118,510.45 and 26,420.55

Step by Step Solution

1. Step 1: Write the proportion equation
   79,023.37 : 118,510.45 = 26,420.55 : x
2. Step 2: Convert to fraction form
   79,023.37/118,510.45 = 26,420.55/x
3. Step 3: Cross multiply
   79,023.37x = 118,510.45 × 26,420.55
4. Step 4: Simplify right side
   79,023.37x = 3,131,111,944.98
5. Step 5: Solve for x
   x = 3,131,111,944.98/79,023.37
6. Step 6: Final answer
   x = 39,622.61