Finding the Fourth Proportional to 1,318,566.72, 1,819,624.32 and 714,954.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,318,566.72 : 1,819,624.32 = 714,954.72 : x
2. Step 2: Convert to fraction form
   1,318,566.72/1,819,624.32 = 714,954.72/x
3. Step 3: Cross multiply
   1,318,566.72x = 1,819,624.32 × 714,954.72
4. Step 4: Simplify right side
   1,318,566.72x = 1,300,948,996,210.79
5. Step 5: Solve for x
   x = 1,300,948,996,210.79/1,318,566.72
6. Step 6: Final answer
   x = 986,638.73