Finding the Fourth Proportional to 572,111.12, 789,830.52 and 511,536.08

Step by Step Solution

1. Step 1: Write the proportion equation
   572,111.12 : 789,830.52 = 511,536.08 : x
2. Step 2: Convert to fraction form
   572,111.12/789,830.52 = 511,536.08/x
3. Step 3: Cross multiply
   572,111.12x = 789,830.52 × 511,536.08
4. Step 4: Simplify right side
   572,111.12x = 404,026,808,065.16
5. Step 5: Solve for x
   x = 404,026,808,065.16/572,111.12
6. Step 6: Final answer
   x = 706,203.38