Finding the Fourth Proportional to 217,851.30, 325,902.15 and 188,594.10

Step by Step Solution

1. Step 1: Write the proportion equation
   217,851.30 : 325,902.15 = 188,594.10 : x
2. Step 2: Convert to fraction form
   217,851.30/325,902.15 = 188,594.10/x
3. Step 3: Cross multiply
   217,851.30x = 325,902.15 × 188,594.10
4. Step 4: Simplify right side
   217,851.30x = 61,463,222,667.32
5. Step 5: Solve for x
   x = 61,463,222,667.32/217,851.30
6. Step 6: Final answer
   x = 282,133.83