Finding the Fourth Proportional to 340,300.47, 469,606.37 and 187,337.42

Step by Step Solution

1. Step 1: Write the proportion equation
   340,300.47 : 469,606.37 = 187,337.42 : x
2. Step 2: Convert to fraction form
   340,300.47/469,606.37 = 187,337.42/x
3. Step 3: Cross multiply
   340,300.47x = 469,606.37 × 187,337.42
4. Step 4: Simplify right side
   340,300.47x = 87,974,845,771.37
5. Step 5: Solve for x
   x = 87,974,845,771.37/340,300.47
6. Step 6: Final answer
   x = 258,521.08