Finding the Fourth Proportional to 340,519.82, 469,920.50 and 187,558.56

Step by Step Solution

1. Step 1: Write the proportion equation
   340,519.82 : 469,920.50 = 187,558.56 : x
2. Step 2: Convert to fraction form
   340,519.82/469,920.50 = 187,558.56/x
3. Step 3: Cross multiply
   340,519.82x = 469,920.50 × 187,558.56
4. Step 4: Simplify right side
   340,519.82x = 88,137,611,356.69
5. Step 5: Solve for x
   x = 88,137,611,356.69/340,519.82
6. Step 6: Final answer
   x = 258,832.55