Finding the Fourth Proportional to 2,061, 3,090.69 and 761.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061 : 3,090.69 = 761.58 : x
2. Step 2: Convert to fraction form
   2,061/3,090.69 = 761.58/x
3. Step 3: Cross multiply
   2,061x = 3,090.69 × 761.58
4. Step 4: Simplify right side
   2,061x = 2,353,807.69
5. Step 5: Solve for x
   x = 2,353,807.69/2,061
6. Step 6: Final answer
   x = 1,142.07