Finding the Fourth Proportional to 6,131.22, 8,461.18 and 3,772.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.22 : 8,461.18 = 3,772.50 : x
2. Step 2: Convert to fraction form
   6,131.22/8,461.18 = 3,772.50/x
3. Step 3: Cross multiply
   6,131.22x = 8,461.18 × 3,772.50
4. Step 4: Simplify right side
   6,131.22x = 31,919,801.55
5. Step 5: Solve for x
   x = 31,919,801.55/6,131.22
6. Step 6: Final answer
   x = 5,206.11