Finding the Fourth Proportional to 1,078,086.52, 1,617,502.78 and 368,613.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,086.52 : 1,617,502.78 = 368,613.96 : x
2. Step 2: Convert to fraction form
   1,078,086.52/1,617,502.78 = 368,613.96/x
3. Step 3: Cross multiply
   1,078,086.52x = 1,617,502.78 × 368,613.96
4. Step 4: Simplify right side
   1,078,086.52x = 596,234,105,046.81
5. Step 5: Solve for x
   x = 596,234,105,046.81/1,078,086.52
6. Step 6: Final answer
   x = 553,048.47