Finding the Fourth Proportional to 1,561.02, 2,152.14 and 1,294.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.02 : 2,152.14 = 1,294.46 : x
2. Step 2: Convert to fraction form
   1,561.02/2,152.14 = 1,294.46/x
3. Step 3: Cross multiply
   1,561.02x = 2,152.14 × 1,294.46
4. Step 4: Simplify right side
   1,561.02x = 2,785,848.38
5. Step 5: Solve for x
   x = 2,785,848.38/1,561.02
6. Step 6: Final answer
   x = 1,784.63