Finding the Fourth Proportional to 2,402.90, 3,601.76 and 1,167.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.90 : 3,601.76 = 1,167.72 : x
2. Step 2: Convert to fraction form
   2,402.90/3,601.76 = 1,167.72/x
3. Step 3: Cross multiply
   2,402.90x = 3,601.76 × 1,167.72
4. Step 4: Simplify right side
   2,402.90x = 4,205,834.59
5. Step 5: Solve for x
   x = 4,205,834.59/2,402.90
6. Step 6: Final answer
   x = 1,750.31