Finding the Fourth Proportional to 1,404,072.42, 2,106,371.69 and 562,689.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,072.42 : 2,106,371.69 = 562,689.78 : x
2. Step 2: Convert to fraction form
   1,404,072.42/2,106,371.69 = 562,689.78/x
3. Step 3: Cross multiply
   1,404,072.42x = 2,106,371.69 × 562,689.78
4. Step 4: Simplify right side
   1,404,072.42x = 1,185,233,820,030.88
5. Step 5: Solve for x
   x = 1,185,233,820,030.88/1,404,072.42
6. Step 6: Final answer
   x = 844,140.09