Finding the Fourth Proportional to 1,284,947.56, 1,773,201.18 and 711,982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,947.56 : 1,773,201.18 = 711,982.72 : x
2. Step 2: Convert to fraction form
   1,284,947.56/1,773,201.18 = 711,982.72/x
3. Step 3: Cross multiply
   1,284,947.56x = 1,773,201.18 × 711,982.72
4. Step 4: Simplify right side
   1,284,947.56x = 1,262,488,599,243.61
5. Step 5: Solve for x
   x = 1,262,488,599,243.61/1,284,947.56
6. Step 6: Final answer
   x = 982,521.50