Finding the Fourth Proportional to 1,123,066.05, 1,684,692.48 and 364,890.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,066.05 : 1,684,692.48 = 364,890.72 : x
2. Step 2: Convert to fraction form
   1,123,066.05/1,684,692.48 = 364,890.72/x
3. Step 3: Cross multiply
   1,123,066.05x = 1,684,692.48 × 364,890.72
4. Step 4: Simplify right side
   1,123,066.05x = 614,728,643,582.32
5. Step 5: Solve for x
   x = 614,728,643,582.32/1,123,066.05
6. Step 6: Final answer
   x = 547,366.42