Finding the Fourth Proportional to 1,758.72, 2,635.92 and 1,542.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.72 : 2,635.92 = 1,542.72 : x
2. Step 2: Convert to fraction form
   1,758.72/2,635.92 = 1,542.72/x
3. Step 3: Cross multiply
   1,758.72x = 2,635.92 × 1,542.72
4. Step 4: Simplify right side
   1,758.72x = 4,066,486.50
5. Step 5: Solve for x
   x = 4,066,486.50/1,758.72
6. Step 6: Final answer
   x = 2,312.19