Finding the Fourth Proportional to 1,500.59, 2,071.68 and 1,004.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.59 : 2,071.68 = 1,004.87 : x
2. Step 2: Convert to fraction form
   1,500.59/2,071.68 = 1,004.87/x
3. Step 3: Cross multiply
   1,500.59x = 2,071.68 × 1,004.87
4. Step 4: Simplify right side
   1,500.59x = 2,081,770.49
5. Step 5: Solve for x
   x = 2,081,770.49/1,500.59
6. Step 6: Final answer
   x = 1,387.30