Finding the Fourth Proportional to 1,323,559.42, 1,980,329.10 and 784,105.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323,559.42 : 1,980,329.10 = 784,105.29 : x
2. Step 2: Convert to fraction form
   1,323,559.42/1,980,329.10 = 784,105.29/x
3. Step 3: Cross multiply
   1,323,559.42x = 1,980,329.10 × 784,105.29
4. Step 4: Simplify right side
   1,323,559.42x = 1,552,786,523,250.94
5. Step 5: Solve for x
   x = 1,552,786,523,250.94/1,323,559.42
6. Step 6: Final answer
   x = 1,173,189.88