Finding the Fourth Proportional to 5,430.35, 8,131.56 and 3,762.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,430.35 : 8,131.56 = 3,762.10 : x
2. Step 2: Convert to fraction form
   5,430.35/8,131.56 = 3,762.10/x
3. Step 3: Cross multiply
   5,430.35x = 8,131.56 × 3,762.10
4. Step 4: Simplify right side
   5,430.35x = 30,591,700.13
5. Step 5: Solve for x
   x = 30,591,700.13/5,430.35
6. Step 6: Final answer
   x = 5,633.47