Finding the Fourth Proportional to 3,091.19, 4,635.81 and 1,010.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,091.19 : 4,635.81 = 1,010.72 : x
2. Step 2: Convert to fraction form
   3,091.19/4,635.81 = 1,010.72/x
3. Step 3: Cross multiply
   3,091.19x = 4,635.81 × 1,010.72
4. Step 4: Simplify right side
   3,091.19x = 4,685,492.82
5. Step 5: Solve for x
   x = 4,685,492.82/3,091.19
6. Step 6: Final answer
   x = 1,515.76