Finding the Fourth Proportional to 1,802,361.78, 2,487,090.42 and 1,077,065.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802,361.78 : 2,487,090.42 = 1,077,065.10 : x
2. Step 2: Convert to fraction form
   1,802,361.78/2,487,090.42 = 1,077,065.10/x
3. Step 3: Cross multiply
   1,802,361.78x = 2,487,090.42 × 1,077,065.10
4. Step 4: Simplify right side
   1,802,361.78x = 2,678,758,291,926.34
5. Step 5: Solve for x
   x = 2,678,758,291,926.34/1,802,361.78
6. Step 6: Final answer
   x = 1,486,248.94