Finding the Fourth Proportional to 780,147.10, 1,093,680.50 and 780,147.10

Step by Step Solution

1. Step 1: Write the proportion equation
   780,147.10 : 1,093,680.50 = 780,147.10 : x
2. Step 2: Convert to fraction form
   780,147.10/1,093,680.50 = 780,147.10/x
3. Step 3: Cross multiply
   780,147.10x = 1,093,680.50 × 780,147.10
4. Step 4: Simplify right side
   780,147.10x = 853,231,670,401.55
5. Step 5: Solve for x
   x = 853,231,670,401.55/780,147.10
6. Step 6: Final answer
   x = 1,093,680.50