Finding the Fourth Proportional to 820,967.54, 1,132,311.72 and 706,438.10

Step by Step Solution

1. Step 1: Write the proportion equation
   820,967.54 : 1,132,311.72 = 706,438.10 : x
2. Step 2: Convert to fraction form
   820,967.54/1,132,311.72 = 706,438.10/x
3. Step 3: Cross multiply
   820,967.54x = 1,132,311.72 × 706,438.10
4. Step 4: Simplify right side
   820,967.54x = 799,908,140,084.53
5. Step 5: Solve for x
   x = 799,908,140,084.53/820,967.54
6. Step 6: Final answer
   x = 974,348.07