Finding the Fourth Proportional to 347,440.50, 479,467.89 and 188,464.50

Step by Step Solution

1. Step 1: Write the proportion equation
   347,440.50 : 479,467.89 = 188,464.50 : x
2. Step 2: Convert to fraction form
   347,440.50/479,467.89 = 188,464.50/x
3. Step 3: Cross multiply
   347,440.50x = 479,467.89 × 188,464.50
4. Step 4: Simplify right side
   347,440.50x = 90,362,676,154.91
5. Step 5: Solve for x
   x = 90,362,676,154.91/347,440.50
6. Step 6: Final answer
   x = 260,081.01