Finding the Fourth Proportional to 172,704.18, 238,196.70 and 112,294.38

Step by Step Solution

1. Step 1: Write the proportion equation
   172,704.18 : 238,196.70 = 112,294.38 : x
2. Step 2: Convert to fraction form
   172,704.18/238,196.70 = 112,294.38/x
3. Step 3: Cross multiply
   172,704.18x = 238,196.70 × 112,294.38
4. Step 4: Simplify right side
   172,704.18x = 26,748,150,744.55
5. Step 5: Solve for x
   x = 26,748,150,744.55/172,704.18
6. Step 6: Final answer
   x = 154,878.42