Finding the Fourth Proportional to 1,285,062.32, 1,773,396.42 and 712,112.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,062.32 : 1,773,396.42 = 712,112.06 : x
2. Step 2: Convert to fraction form
   1,285,062.32/1,773,396.42 = 712,112.06/x
3. Step 3: Cross multiply
   1,285,062.32x = 1,773,396.42 × 712,112.06
4. Step 4: Simplify right side
   1,285,062.32x = 1,262,856,977,842.83
5. Step 5: Solve for x
   x = 1,262,856,977,842.83/1,285,062.32
6. Step 6: Final answer
   x = 982,720.42