Finding the Fourth Proportional to 1,603,542.04, 2,212,923.71 and 915,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603,542.04 : 2,212,923.71 = 915,200.10 : x
2. Step 2: Convert to fraction form
   1,603,542.04/2,212,923.71 = 915,200.10/x
3. Step 3: Cross multiply
   1,603,542.04x = 2,212,923.71 × 915,200.10
4. Step 4: Simplify right side
   1,603,542.04x = 2,025,268,002,972.37
5. Step 5: Solve for x
   x = 2,025,268,002,972.37/1,603,542.04
6. Step 6: Final answer
   x = 1,262,996.51