Finding the Fourth Proportional to 1,285,061.36, 1,773,395.24 and 712,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,061.36 : 1,773,395.24 = 712,111.10 : x
2. Step 2: Convert to fraction form
   1,285,061.36/1,773,395.24 = 712,111.10/x
3. Step 3: Cross multiply
   1,285,061.36x = 1,773,395.24 × 712,111.10
4. Step 4: Simplify right side
   1,285,061.36x = 1,262,854,422,663.63
5. Step 5: Solve for x
   x = 1,262,854,422,663.63/1,285,061.36
6. Step 6: Final answer
   x = 982,719.17