Finding the Fourth Proportional to 78,766.98, 118,111.05 and 26,158.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,766.98 : 118,111.05 = 26,158.02 : x
2. Step 2: Convert to fraction form
   78,766.98/118,111.05 = 26,158.02/x
3. Step 3: Cross multiply
   78,766.98x = 118,111.05 × 26,158.02
4. Step 4: Simplify right side
   78,766.98x = 3,089,551,208.12
5. Step 5: Solve for x
   x = 3,089,551,208.12/78,766.98
6. Step 6: Final answer
   x = 39,223.94