Finding the Fourth Proportional to 78,111.84, 117,173.22 and 31,364.73

Step by Step Solution

1. Step 1: Write the proportion equation
   78,111.84 : 117,173.22 = 31,364.73 : x
2. Step 2: Convert to fraction form
   78,111.84/117,173.22 = 31,364.73/x
3. Step 3: Cross multiply
   78,111.84x = 117,173.22 × 31,364.73
4. Step 4: Simplify right side
   78,111.84x = 3,675,106,408.53
5. Step 5: Solve for x
   x = 3,675,106,408.53/78,111.84
6. Step 6: Final answer
   x = 47,049.29