Finding the Fourth Proportional to 3,742.74, 5,607.48 and 3,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742.74 : 5,607.48 = 3,520.50 : x
2. Step 2: Convert to fraction form
   3,742.74/5,607.48 = 3,520.50/x
3. Step 3: Cross multiply
   3,742.74x = 5,607.48 × 3,520.50
4. Step 4: Simplify right side
   3,742.74x = 19,741,133.34
5. Step 5: Solve for x
   x = 19,741,133.34/3,742.74
6. Step 6: Final answer
   x = 5,274.51