Finding the Fourth Proportional to 1,665,678.78, 2,497,468.41 and 1,413,047.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,678.78 : 2,497,468.41 = 1,413,047.88 : x
2. Step 2: Convert to fraction form
   1,665,678.78/2,497,468.41 = 1,413,047.88/x
3. Step 3: Cross multiply
   1,665,678.78x = 2,497,468.41 × 1,413,047.88
4. Step 4: Simplify right side
   1,665,678.78x = 3,529,042,442,117.47
5. Step 5: Solve for x
   x = 3,529,042,442,117.47/1,665,678.78
6. Step 6: Final answer
   x = 2,118,681.28