Finding the Fourth Proportional to 12,456,710.82, 18,687,774.42 and 3,820,845.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,456,710.82 : 18,687,774.42 = 3,820,845.60 : x
2. Step 2: Convert to fraction form
   12,456,710.82/18,687,774.42 = 3,820,845.60/x
3. Step 3: Cross multiply
   12,456,710.82x = 18,687,774.42 × 3,820,845.60
4. Step 4: Simplify right side
   12,456,710.82x = 71,403,100,666,449.56
5. Step 5: Solve for x
   x = 71,403,100,666,449.56/12,456,710.82
6. Step 6: Final answer
   x = 5,732,099.08