Finding the Fourth Proportional to 340,103.34, 469,345.14 and 189,200.34

Step by Step Solution

1. Step 1: Write the proportion equation
   340,103.34 : 469,345.14 = 189,200.34 : x
2. Step 2: Convert to fraction form
   340,103.34/469,345.14 = 189,200.34/x
3. Step 3: Cross multiply
   340,103.34x = 469,345.14 × 189,200.34
4. Step 4: Simplify right side
   340,103.34x = 88,800,260,065.35
5. Step 5: Solve for x
   x = 88,800,260,065.35/340,103.34
6. Step 6: Final answer
   x = 261,097.88