Finding the Fourth Proportional to 751,162.69, 1,036,595.68 and 406,991.89

Step by Step Solution

1. Step 1: Write the proportion equation
   751,162.69 : 1,036,595.68 = 406,991.89 : x
2. Step 2: Convert to fraction form
   751,162.69/1,036,595.68 = 406,991.89/x
3. Step 3: Cross multiply
   751,162.69x = 1,036,595.68 × 406,991.89
4. Step 4: Simplify right side
   751,162.69x = 421,886,034,969.04
5. Step 5: Solve for x
   x = 421,886,034,969.04/751,162.69
6. Step 6: Final answer
   x = 561,644.02