Finding the Fourth Proportional to 78,787.05, 118,181.61 and 26,196.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,787.05 : 118,181.61 = 26,196.54 : x
2. Step 2: Convert to fraction form
   78,787.05/118,181.61 = 26,196.54/x
3. Step 3: Cross multiply
   78,787.05x = 118,181.61 × 26,196.54
4. Step 4: Simplify right side
   78,787.05x = 3,095,949,199.67
5. Step 5: Solve for x
   x = 3,095,949,199.67/78,787.05
6. Step 6: Final answer
   x = 39,295.15