Finding the Fourth Proportional to 6,118.74, 8,445.18 and 3,729.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,118.74 : 8,445.18 = 3,729.50 : x
2. Step 2: Convert to fraction form
   6,118.74/8,445.18 = 3,729.50/x
3. Step 3: Cross multiply
   6,118.74x = 8,445.18 × 3,729.50
4. Step 4: Simplify right side
   6,118.74x = 31,496,256.58
5. Step 5: Solve for x
   x = 31,496,256.58/6,118.74
6. Step 6: Final answer
   x = 5,147.51