Finding the Fourth Proportional to 2,059.53, 3,090.51 and 761.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.53 : 3,090.51 = 761.91 : x
2. Step 2: Convert to fraction form
   2,059.53/3,090.51 = 761.91/x
3. Step 3: Cross multiply
   2,059.53x = 3,090.51 × 761.91
4. Step 4: Simplify right side
   2,059.53x = 2,354,690.47
5. Step 5: Solve for x
   x = 2,354,690.47/2,059.53
6. Step 6: Final answer
   x = 1,143.31