Finding the Fourth Proportional to 340,111.95, 469,357.82 and 187,153.43

Step by Step Solution

1. Step 1: Write the proportion equation
   340,111.95 : 469,357.82 = 187,153.43 : x
2. Step 2: Convert to fraction form
   340,111.95/469,357.82 = 187,153.43/x
3. Step 3: Cross multiply
   340,111.95x = 469,357.82 × 187,153.43
4. Step 4: Simplify right side
   340,111.95x = 87,841,925,969.73
5. Step 5: Solve for x
   x = 87,841,925,969.73/340,111.95
6. Step 6: Final answer
   x = 258,273.57