Finding the Fourth Proportional to 2,001.76, 2,762.58 and 1,117.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,001.76 : 2,762.58 = 1,117.69 : x
2. Step 2: Convert to fraction form
   2,001.76/2,762.58 = 1,117.69/x
3. Step 3: Cross multiply
   2,001.76x = 2,762.58 × 1,117.69
4. Step 4: Simplify right side
   2,001.76x = 3,087,702.45
5. Step 5: Solve for x
   x = 3,087,702.45/2,001.76
6. Step 6: Final answer
   x = 1,542.50