Finding the Fourth Proportional to 1,429.56, 1,972.08 and 904.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.56 : 1,972.08 = 904.68 : x
2. Step 2: Convert to fraction form
   1,429.56/1,972.08 = 904.68/x
3. Step 3: Cross multiply
   1,429.56x = 1,972.08 × 904.68
4. Step 4: Simplify right side
   1,429.56x = 1,784,101.33
5. Step 5: Solve for x
   x = 1,784,101.33/1,429.56
6. Step 6: Final answer
   x = 1,248.01