Finding the Fourth Proportional to 3,059.70, 4,587.50 and 1,111.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,059.70 : 4,587.50 = 1,111.65 : x
2. Step 2: Convert to fraction form
   3,059.70/4,587.50 = 1,111.65/x
3. Step 3: Cross multiply
   3,059.70x = 4,587.50 × 1,111.65
4. Step 4: Simplify right side
   3,059.70x = 5,099,688.82
5. Step 5: Solve for x
   x = 5,099,688.82/3,059.70
6. Step 6: Final answer
   x = 1,666.73