Finding the Fourth Proportional to 79,321.85, 118,986.72 and 26,019.20

Step by Step Solution

1. Step 1: Write the proportion equation
   79,321.85 : 118,986.72 = 26,019.20 : x
2. Step 2: Convert to fraction form
   79,321.85/118,986.72 = 26,019.20/x
3. Step 3: Cross multiply
   79,321.85x = 118,986.72 × 26,019.20
4. Step 4: Simplify right side
   79,321.85x = 3,095,938,670.09
5. Step 5: Solve for x
   x = 3,095,938,670.09/79,321.85
6. Step 6: Final answer
   x = 39,030.09