Finding the Fourth Proportional to 1,561.04, 2,342.02 and 830.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.04 : 2,342.02 = 830.52 : x
2. Step 2: Convert to fraction form
   1,561.04/2,342.02 = 830.52/x
3. Step 3: Cross multiply
   1,561.04x = 2,342.02 × 830.52
4. Step 4: Simplify right side
   1,561.04x = 1,945,094.45
5. Step 5: Solve for x
   x = 1,945,094.45/1,561.04
6. Step 6: Final answer
   x = 1,246.02