Finding the Fourth Proportional to 2,060.58, 3,090.42 and 761.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.58 : 3,090.42 = 761.10 : x
2. Step 2: Convert to fraction form
   2,060.58/3,090.42 = 761.10/x
3. Step 3: Cross multiply
   2,060.58x = 3,090.42 × 761.10
4. Step 4: Simplify right side
   2,060.58x = 2,352,118.66
5. Step 5: Solve for x
   x = 2,352,118.66/2,060.58
6. Step 6: Final answer
   x = 1,141.48