Finding the Fourth Proportional to 751,196.76, 1,036,646.28 and 411,657.72

Step by Step Solution

1. Step 1: Write the proportion equation
   751,196.76 : 1,036,646.28 = 411,657.72 : x
2. Step 2: Convert to fraction form
   751,196.76/1,036,646.28 = 411,657.72/x
3. Step 3: Cross multiply
   751,196.76x = 1,036,646.28 × 411,657.72
4. Step 4: Simplify right side
   751,196.76x = 426,743,444,071.28
5. Step 5: Solve for x
   x = 426,743,444,071.28/751,196.76
6. Step 6: Final answer
   x = 568,084.78