Finding the Fourth Proportional to 2,034.47, 2,809.15 and 1,561.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.47 : 2,809.15 = 1,561.61 : x
2. Step 2: Convert to fraction form
   2,034.47/2,809.15 = 1,561.61/x
3. Step 3: Cross multiply
   2,034.47x = 2,809.15 × 1,561.61
4. Step 4: Simplify right side
   2,034.47x = 4,386,796.73
5. Step 5: Solve for x
   x = 4,386,796.73/2,034.47
6. Step 6: Final answer
   x = 2,156.24