Finding the Fourth Proportional to 2,607,666.94, 3,909,488.37 and 988,412.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607,666.94 : 3,909,488.37 = 988,412.14 : x
2. Step 2: Convert to fraction form
   2,607,666.94/3,909,488.37 = 988,412.14/x
3. Step 3: Cross multiply
   2,607,666.94x = 3,909,488.37 × 988,412.14
4. Step 4: Simplify right side
   2,607,666.94x = 3,864,185,766,096.81
5. Step 5: Solve for x
   x = 3,864,185,766,096.81/2,607,666.94
6. Step 6: Final answer
   x = 1,481,855.56