Finding the Fourth Proportional to 1,047,609, 1,445,700.42 and 570,681

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047,609 : 1,445,700.42 = 570,681 : x
2. Step 2: Convert to fraction form
   1,047,609/1,445,700.42 = 570,681/x
3. Step 3: Cross multiply
   1,047,609x = 1,445,700.42 × 570,681
4. Step 4: Simplify right side
   1,047,609x = 825,033,761,386.02
5. Step 5: Solve for x
   x = 825,033,761,386.02/1,047,609
6. Step 6: Final answer
   x = 787,539.78