Finding the Fourth Proportional to 173,098.89, 259,757.69 and 67,915.53

Step by Step Solution

1. Step 1: Write the proportion equation
   173,098.89 : 259,757.69 = 67,915.53 : x
2. Step 2: Convert to fraction form
   173,098.89/259,757.69 = 67,915.53/x
3. Step 3: Cross multiply
   173,098.89x = 259,757.69 × 67,915.53
4. Step 4: Simplify right side
   173,098.89x = 17,641,580,848.35
5. Step 5: Solve for x
   x = 17,641,580,848.35/173,098.89
6. Step 6: Final answer
   x = 101,916.20