Finding the Fourth Proportional to 1,095.64, 1,641.42 and 546.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.64 : 1,641.42 = 546.52 : x
2. Step 2: Convert to fraction form
   1,095.64/1,641.42 = 546.52/x
3. Step 3: Cross multiply
   1,095.64x = 1,641.42 × 546.52
4. Step 4: Simplify right side
   1,095.64x = 897,068.86
5. Step 5: Solve for x
   x = 897,068.86/1,095.64
6. Step 6: Final answer
   x = 818.76