Finding the Fourth Proportional to 172,710.18, 238,204.98 and 112,300.38

Step by Step Solution

1. Step 1: Write the proportion equation
   172,710.18 : 238,204.98 = 112,300.38 : x
2. Step 2: Convert to fraction form
   172,710.18/238,204.98 = 112,300.38/x
3. Step 3: Cross multiply
   172,710.18x = 238,204.98 × 112,300.38
4. Step 4: Simplify right side
   172,710.18x = 26,750,509,771.89
5. Step 5: Solve for x
   x = 26,750,509,771.89/172,710.18
6. Step 6: Final answer
   x = 154,886.70