Finding the Fourth Proportional to 991,436.82, 1,368,191.01 and 538,727.82

Step by Step Solution

1. Step 1: Write the proportion equation
   991,436.82 : 1,368,191.01 = 538,727.82 : x
2. Step 2: Convert to fraction form
   991,436.82/1,368,191.01 = 538,727.82/x
3. Step 3: Cross multiply
   991,436.82x = 1,368,191.01 × 538,727.82
4. Step 4: Simplify right side
   991,436.82x = 737,082,560,160.90
5. Step 5: Solve for x
   x = 737,082,560,160.90/991,436.82
6. Step 6: Final answer
   x = 743,448.85