Finding the Fourth Proportional to 1,533.07, 2,116.25 and 1,510.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,533.07 : 2,116.25 = 1,510.57 : x
2. Step 2: Convert to fraction form
   1,533.07/2,116.25 = 1,510.57/x
3. Step 3: Cross multiply
   1,533.07x = 2,116.25 × 1,510.57
4. Step 4: Simplify right side
   1,533.07x = 3,196,743.76
5. Step 5: Solve for x
   x = 3,196,743.76/1,533.07
6. Step 6: Final answer
   x = 2,085.19