Finding the Fourth Proportional to 2,620.16, 3,615.80 and 1,501.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.16 : 3,615.80 = 1,501.06 : x
2. Step 2: Convert to fraction form
   2,620.16/3,615.80 = 1,501.06/x
3. Step 3: Cross multiply
   2,620.16x = 3,615.80 × 1,501.06
4. Step 4: Simplify right side
   2,620.16x = 5,427,532.75
5. Step 5: Solve for x
   x = 5,427,532.75/2,620.16
6. Step 6: Final answer
   x = 2,071.45