Finding the Fourth Proportional to 1,530.12, 2,111.85 and 1,436.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.12 : 2,111.85 = 1,436.34 : x
2. Step 2: Convert to fraction form
   1,530.12/2,111.85 = 1,436.34/x
3. Step 3: Cross multiply
   1,530.12x = 2,111.85 × 1,436.34
4. Step 4: Simplify right side
   1,530.12x = 3,033,334.63
5. Step 5: Solve for x
   x = 3,033,334.63/1,530.12
6. Step 6: Final answer
   x = 1,982.42