Finding the Fourth Proportional to 1,532.61, 2,111.31 and 1,265.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,532.61 : 2,111.31 = 1,265.94 : x
2. Step 2: Convert to fraction form
   1,532.61/2,111.31 = 1,265.94/x
3. Step 3: Cross multiply
   1,532.61x = 2,111.31 × 1,265.94
4. Step 4: Simplify right side
   1,532.61x = 2,672,791.78
5. Step 5: Solve for x
   x = 2,672,791.78/1,532.61
6. Step 6: Final answer
   x = 1,743.95