Finding the Fourth Proportional to 1,563,390.52, 2,345,178.72 and 603,853.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563,390.52 : 2,345,178.72 = 603,853.38 : x
2. Step 2: Convert to fraction form
   1,563,390.52/2,345,178.72 = 603,853.38/x
3. Step 3: Cross multiply
   1,563,390.52x = 2,345,178.72 × 603,853.38
4. Step 4: Simplify right side
   1,563,390.52x = 1,416,144,099,040.52
5. Step 5: Solve for x
   x = 1,416,144,099,040.52/1,563,390.52
6. Step 6: Final answer
   x = 905,815.97