Finding the Fourth Proportional to 761,498.09, 1,141,951.89 and 406,318.37

Step by Step Solution

1. Step 1: Write the proportion equation
   761,498.09 : 1,141,951.89 = 406,318.37 : x
2. Step 2: Convert to fraction form
   761,498.09/1,141,951.89 = 406,318.37/x
3. Step 3: Cross multiply
   761,498.09x = 1,141,951.89 × 406,318.37
4. Step 4: Simplify right side
   761,498.09x = 463,996,030,563.22
5. Step 5: Solve for x
   x = 463,996,030,563.22/761,498.09
6. Step 6: Final answer
   x = 609,320.02