Finding the Fourth Proportional to 2,526.47, 3,484.56 and 1,642.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.47 : 3,484.56 = 1,642.57 : x
2. Step 2: Convert to fraction form
   2,526.47/3,484.56 = 1,642.57/x
3. Step 3: Cross multiply
   2,526.47x = 3,484.56 × 1,642.57
4. Step 4: Simplify right side
   2,526.47x = 5,723,633.72
5. Step 5: Solve for x
   x = 5,723,633.72/2,526.47
6. Step 6: Final answer
   x = 2,265.47