Finding the Fourth Proportional to 340,371.83, 469,709.25 and 187,406.82

Step by Step Solution

1. Step 1: Write the proportion equation
   340,371.83 : 469,709.25 = 187,406.82 : x
2. Step 2: Convert to fraction form
   340,371.83/469,709.25 = 187,406.82/x
3. Step 3: Cross multiply
   340,371.83x = 469,709.25 × 187,406.82
4. Step 4: Simplify right side
   340,371.83x = 88,026,715,930.05
5. Step 5: Solve for x
   x = 88,026,715,930.05/340,371.83
6. Step 6: Final answer
   x = 258,619.28