Finding the Fourth Proportional to 3,436.30, 5,154.72 and 1,488.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.30 : 5,154.72 = 1,488.16 : x
2. Step 2: Convert to fraction form
   3,436.30/5,154.72 = 1,488.16/x
3. Step 3: Cross multiply
   3,436.30x = 5,154.72 × 1,488.16
4. Step 4: Simplify right side
   3,436.30x = 7,671,048.12
5. Step 5: Solve for x
   x = 7,671,048.12/3,436.30
6. Step 6: Final answer
   x = 2,232.36