Finding the Fourth Proportional to 1,285,076.18, 1,773,378.60 and 712,111.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,076.18 : 1,773,378.60 = 712,111.34 : x
2. Step 2: Convert to fraction form
   1,285,076.18/1,773,378.60 = 712,111.34/x
3. Step 3: Cross multiply
   1,285,076.18x = 1,773,378.60 × 712,111.34
4. Step 4: Simplify right side
   1,285,076.18x = 1,262,843,011,173.32
5. Step 5: Solve for x
   x = 1,262,843,011,173.32/1,285,076.18
6. Step 6: Final answer
   x = 982,698.95