Finding the Fourth Proportional to 991,978.34, 1,369,056.74 and 584,118.14

Step by Step Solution

1. Step 1: Write the proportion equation
   991,978.34 : 1,369,056.74 = 584,118.14 : x
2. Step 2: Convert to fraction form
   991,978.34/1,369,056.74 = 584,118.14/x
3. Step 3: Cross multiply
   991,978.34x = 1,369,056.74 × 584,118.14
4. Step 4: Simplify right side
   991,978.34x = 799,690,870,453.75
5. Step 5: Solve for x
   x = 799,690,870,453.75/991,978.34
6. Step 6: Final answer
   x = 806,157.59