Finding the Fourth Proportional to 340,429.76, 469,793.76 and 189,532.16

Step by Step Solution

1. Step 1: Write the proportion equation
   340,429.76 : 469,793.76 = 189,532.16 : x
2. Step 2: Convert to fraction form
   340,429.76/469,793.76 = 189,532.16/x
3. Step 3: Cross multiply
   340,429.76x = 469,793.76 × 189,532.16
4. Step 4: Simplify right side
   340,429.76x = 89,041,026,087.32
5. Step 5: Solve for x
   x = 89,041,026,087.32/340,429.76
6. Step 6: Final answer
   x = 261,554.77