Finding the Fourth Proportional to 1,500.05, 2,069.20 and 902.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.05 : 2,069.20 = 902.13 : x
2. Step 2: Convert to fraction form
   1,500.05/2,069.20 = 902.13/x
3. Step 3: Cross multiply
   1,500.05x = 2,069.20 × 902.13
4. Step 4: Simplify right side
   1,500.05x = 1,866,677.05
5. Step 5: Solve for x
   x = 1,866,677.05/1,500.05
6. Step 6: Final answer
   x = 1,244.41