Finding the Fourth Proportional to 1,547.31, 2,149.59 and 1,532.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547.31 : 2,149.59 = 1,532.91 : x
2. Step 2: Convert to fraction form
   1,547.31/2,149.59 = 1,532.91/x
3. Step 3: Cross multiply
   1,547.31x = 2,149.59 × 1,532.91
4. Step 4: Simplify right side
   1,547.31x = 3,295,128.01
5. Step 5: Solve for x
   x = 3,295,128.01/1,547.31
6. Step 6: Final answer
   x = 2,129.58