Finding the Fourth Proportional to 1,501.58, 2,071.91 and 1,004.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.58 : 2,071.91 = 1,004.94 : x
2. Step 2: Convert to fraction form
   1,501.58/2,071.91 = 1,004.94/x
3. Step 3: Cross multiply
   1,501.58x = 2,071.91 × 1,004.94
4. Step 4: Simplify right side
   1,501.58x = 2,082,145.24
5. Step 5: Solve for x
   x = 2,082,145.24/1,501.58
6. Step 6: Final answer
   x = 1,386.64