Finding the Fourth Proportional to 816,100.05, 1,143,721.05 and 816,100.05

Step by Step Solution

1. Step 1: Write the proportion equation
   816,100.05 : 1,143,721.05 = 816,100.05 : x
2. Step 2: Convert to fraction form
   816,100.05/1,143,721.05 = 816,100.05/x
3. Step 3: Cross multiply
   816,100.05x = 1,143,721.05 × 816,100.05
4. Step 4: Simplify right side
   816,100.05x = 933,390,806,091.05
5. Step 5: Solve for x
   x = 933,390,806,091.05/816,100.05
6. Step 6: Final answer
   x = 1,143,721.05