Finding the Fourth Proportional to 2,094.51, 3,141.59 and 613.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.51 : 3,141.59 = 613.61 : x
2. Step 2: Convert to fraction form
   2,094.51/3,141.59 = 613.61/x
3. Step 3: Cross multiply
   2,094.51x = 3,141.59 × 613.61
4. Step 4: Simplify right side
   2,094.51x = 1,927,711.04
5. Step 5: Solve for x
   x = 1,927,711.04/2,094.51
6. Step 6: Final answer
   x = 920.36