Finding the Fourth Proportional to 1,285,061.23, 1,773,395.06 and 712,110.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,061.23 : 1,773,395.06 = 712,110.97 : x
2. Step 2: Convert to fraction form
   1,285,061.23/1,773,395.06 = 712,110.97/x
3. Step 3: Cross multiply
   1,285,061.23x = 1,773,395.06 × 712,110.97
4. Step 4: Simplify right side
   1,285,061.23x = 1,262,854,076,369.81
5. Step 5: Solve for x
   x = 1,262,854,076,369.81/1,285,061.23
6. Step 6: Final answer
   x = 982,718.99