Finding the Fourth Proportional to 1,501.67, 2,072.04 and 904.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.67 : 2,072.04 = 904.01 : x
2. Step 2: Convert to fraction form
   1,501.67/2,072.04 = 904.01/x
3. Step 3: Cross multiply
   1,501.67x = 2,072.04 × 904.01
4. Step 4: Simplify right side
   1,501.67x = 1,873,134.52
5. Step 5: Solve for x
   x = 1,873,134.52/1,501.67
6. Step 6: Final answer
   x = 1,247.37