Finding the Fourth Proportional to 1,353.48, 1,867.43 and 906.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.48 : 1,867.43 = 906.01 : x
2. Step 2: Convert to fraction form
   1,353.48/1,867.43 = 906.01/x
3. Step 3: Cross multiply
   1,353.48x = 1,867.43 × 906.01
4. Step 4: Simplify right side
   1,353.48x = 1,691,905.72
5. Step 5: Solve for x
   x = 1,691,905.72/1,353.48
6. Step 6: Final answer
   x = 1,250.04