Finding the Fourth Proportional to 78,839.84, 118,184.56 and 26,212.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,839.84 : 118,184.56 = 26,212.48 : x
2. Step 2: Convert to fraction form
   78,839.84/118,184.56 = 26,212.48/x
3. Step 3: Cross multiply
   78,839.84x = 118,184.56 × 26,212.48
4. Step 4: Simplify right side
   78,839.84x = 3,097,910,415.31
5. Step 5: Solve for x
   x = 3,097,910,415.31/78,839.84
6. Step 6: Final answer
   x = 39,293.72