Finding the Fourth Proportional to 333,889.20, 460,716.12 and 188,641.98

Step by Step Solution

1. Step 1: Write the proportion equation
   333,889.20 : 460,716.12 = 188,641.98 : x
2. Step 2: Convert to fraction form
   333,889.20/460,716.12 = 188,641.98/x
3. Step 3: Cross multiply
   333,889.20x = 460,716.12 × 188,641.98
4. Step 4: Simplify right side
   333,889.20x = 86,910,401,094.72
5. Step 5: Solve for x
   x = 86,910,401,094.72/333,889.20
6. Step 6: Final answer
   x = 260,297.13