Finding the Fourth Proportional to 1,510.56, 2,084.54 and 1,069.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.56 : 2,084.54 = 1,069.20 : x
2. Step 2: Convert to fraction form
   1,510.56/2,084.54 = 1,069.20/x
3. Step 3: Cross multiply
   1,510.56x = 2,084.54 × 1,069.20
4. Step 4: Simplify right side
   1,510.56x = 2,228,784.82
5. Step 5: Solve for x
   x = 2,228,784.82/1,510.56
6. Step 6: Final answer
   x = 1,475.47