Finding the Fourth Proportional to 1,403.04, 1,935.72 and 906.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403.04 : 1,935.72 = 906.01 : x
2. Step 2: Convert to fraction form
   1,403.04/1,935.72 = 906.01/x
3. Step 3: Cross multiply
   1,403.04x = 1,935.72 × 906.01
4. Step 4: Simplify right side
   1,403.04x = 1,753,784.10
5. Step 5: Solve for x
   x = 1,753,784.10/1,403.04
6. Step 6: Final answer
   x = 1,249.99