Finding the Fourth Proportional to 339,788.27, 509,684.04 and 103,133

Step by Step Solution

1. Step 1: Write the proportion equation
   339,788.27 : 509,684.04 = 103,133 : x
2. Step 2: Convert to fraction form
   339,788.27/509,684.04 = 103,133/x
3. Step 3: Cross multiply
   339,788.27x = 509,684.04 × 103,133
4. Step 4: Simplify right side
   339,788.27x = 52,565,244,097.32
5. Step 5: Solve for x
   x = 52,565,244,097.32/339,788.27
6. Step 6: Final answer
   x = 154,700.00