Finding the Fourth Proportional to 2,696.20, 3,720.45 and 1,500.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,696.20 : 3,720.45 = 1,500.91 : x
2. Step 2: Convert to fraction form
   2,696.20/3,720.45 = 1,500.91/x
3. Step 3: Cross multiply
   2,696.20x = 3,720.45 × 1,500.91
4. Step 4: Simplify right side
   2,696.20x = 5,584,051.31
5. Step 5: Solve for x
   x = 5,584,051.31/2,696.20
6. Step 6: Final answer
   x = 2,071.08