Finding the Fourth Proportional to 2,094.47, 3,142.15 and 707.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.47 : 3,142.15 = 707.74 : x
2. Step 2: Convert to fraction form
   2,094.47/3,142.15 = 707.74/x
3. Step 3: Cross multiply
   2,094.47x = 3,142.15 × 707.74
4. Step 4: Simplify right side
   2,094.47x = 2,223,820.59
5. Step 5: Solve for x
   x = 2,223,820.59/2,094.47
6. Step 6: Final answer
   x = 1,061.76