Finding the Fourth Proportional to 417,111.16, 575,617.93 and 245,036.38

Step by Step Solution

1. Step 1: Write the proportion equation
   417,111.16 : 575,617.93 = 245,036.38 : x
2. Step 2: Convert to fraction form
   417,111.16/575,617.93 = 245,036.38/x
3. Step 3: Cross multiply
   417,111.16x = 575,617.93 × 245,036.38
4. Step 4: Simplify right side
   417,111.16x = 141,047,333,830.29
5. Step 5: Solve for x
   x = 141,047,333,830.29/417,111.16
6. Step 6: Final answer
   x = 338,152.87