Finding the Fourth Proportional to 2,406,131.57, 3,607,996.43 and 786,689.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406,131.57 : 3,607,996.43 = 786,689.46 : x
2. Step 2: Convert to fraction form
   2,406,131.57/3,607,996.43 = 786,689.46/x
3. Step 3: Cross multiply
   2,406,131.57x = 3,607,996.43 × 786,689.46
4. Step 4: Simplify right side
   2,406,131.57x = 2,838,372,765,165.35
5. Step 5: Solve for x
   x = 2,838,372,765,165.35/2,406,131.57
6. Step 6: Final answer
   x = 1,179,641.54