Finding the Fourth Proportional to 78,991, 118,490.82 and 23,591.32

Step by Step Solution

1. Step 1: Write the proportion equation
   78,991 : 118,490.82 = 23,591.32 : x
2. Step 2: Convert to fraction form
   78,991/118,490.82 = 23,591.32/x
3. Step 3: Cross multiply
   78,991x = 118,490.82 × 23,591.32
4. Step 4: Simplify right side
   78,991x = 2,795,354,851.68
5. Step 5: Solve for x
   x = 2,795,354,851.68/78,991
6. Step 6: Final answer
   x = 35,388.27