Finding the Fourth Proportional to 172,084.62, 237,410.40 and 126,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   172,084.62 : 237,410.40 = 126,870.10 : x
2. Step 2: Convert to fraction form
   172,084.62/237,410.40 = 126,870.10/x
3. Step 3: Cross multiply
   172,084.62x = 237,410.40 × 126,870.10
4. Step 4: Simplify right side
   172,084.62x = 30,120,281,189.04
5. Step 5: Solve for x
   x = 30,120,281,189.04/172,084.62
6. Step 6: Final answer
   x = 175,031.80