Finding the Fourth Proportional to 3,160.98, 4,735.71 and 3,091.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,160.98 : 4,735.71 = 3,091.86 : x
2. Step 2: Convert to fraction form
   3,160.98/4,735.71 = 3,091.86/x
3. Step 3: Cross multiply
   3,160.98x = 4,735.71 × 3,091.86
4. Step 4: Simplify right side
   3,160.98x = 14,642,152.32
5. Step 5: Solve for x
   x = 14,642,152.32/3,160.98
6. Step 6: Final answer
   x = 4,632.16