Finding the Fourth Proportional to 339,952.53, 469,146.01 and 187,002.10

Step by Step Solution

1. Step 1: Write the proportion equation
   339,952.53 : 469,146.01 = 187,002.10 : x
2. Step 2: Convert to fraction form
   339,952.53/469,146.01 = 187,002.10/x
3. Step 3: Cross multiply
   339,952.53x = 469,146.01 × 187,002.10
4. Step 4: Simplify right side
   339,952.53x = 87,731,286,730.89
5. Step 5: Solve for x
   x = 87,731,286,730.89/339,952.53
6. Step 6: Final answer
   x = 258,069.23