Finding the Fourth Proportional to 613,111.82, 846,167.95 and 371,387.30

Step by Step Solution

1. Step 1: Write the proportion equation
   613,111.82 : 846,167.95 = 371,387.30 : x
2. Step 2: Convert to fraction form
   613,111.82/846,167.95 = 371,387.30/x
3. Step 3: Cross multiply
   613,111.82x = 846,167.95 × 371,387.30
4. Step 4: Simplify right side
   613,111.82x = 314,256,030,297.04
5. Step 5: Solve for x
   x = 314,256,030,297.04/613,111.82
6. Step 6: Final answer
   x = 512,559.08