Finding the Fourth Proportional to 3,061.74, 4,588.80 and 1,111.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.74 : 4,588.80 = 1,111.80 : x
2. Step 2: Convert to fraction form
   3,061.74/4,588.80 = 1,111.80/x
3. Step 3: Cross multiply
   3,061.74x = 4,588.80 × 1,111.80
4. Step 4: Simplify right side
   3,061.74x = 5,101,827.84
5. Step 5: Solve for x
   x = 5,101,827.84/3,061.74
6. Step 6: Final answer
   x = 1,666.32