Finding the Fourth Proportional to 1,039,128.48, 1,559,141.72 and 558,794.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,128.48 : 1,559,141.72 = 558,794.84 : x
2. Step 2: Convert to fraction form
   1,039,128.48/1,559,141.72 = 558,794.84/x
3. Step 3: Cross multiply
   1,039,128.48x = 1,559,141.72 × 558,794.84
4. Step 4: Simplify right side
   1,039,128.48x = 871,240,347,964.73
5. Step 5: Solve for x
   x = 871,240,347,964.73/1,039,128.48
6. Step 6: Final answer
   x = 838,433.71