Finding the Fourth Proportional to 7,045.57, 10,570.35 and 3,531.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,045.57 : 10,570.35 = 3,531.34 : x
2. Step 2: Convert to fraction form
   7,045.57/10,570.35 = 3,531.34/x
3. Step 3: Cross multiply
   7,045.57x = 10,570.35 × 3,531.34
4. Step 4: Simplify right side
   7,045.57x = 37,327,499.77
5. Step 5: Solve for x
   x = 37,327,499.77/7,045.57
6. Step 6: Final answer
   x = 5,298.01