Finding the Fourth Proportional to 3,421.52, 5,132.52 and 1,113

Step by Step Solution

1. Step 1: Write the proportion equation
   3,421.52 : 5,132.52 = 1,113 : x
2. Step 2: Convert to fraction form
   3,421.52/5,132.52 = 1,113/x
3. Step 3: Cross multiply
   3,421.52x = 5,132.52 × 1,113
4. Step 4: Simplify right side
   3,421.52x = 5,712,494.76
5. Step 5: Solve for x
   x = 5,712,494.76/3,421.52
6. Step 6: Final answer
   x = 1,669.58