Finding the Fourth Proportional to 1,120,770, 1,546,662.60 and 718,362

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120,770 : 1,546,662.60 = 718,362 : x
2. Step 2: Convert to fraction form
   1,120,770/1,546,662.60 = 718,362/x
3. Step 3: Cross multiply
   1,120,770x = 1,546,662.60 × 718,362
4. Step 4: Simplify right side
   1,120,770x = 1,111,063,638,661.20
5. Step 5: Solve for x
   x = 1,111,063,638,661.20/1,120,770
6. Step 6: Final answer
   x = 991,339.56