Finding the Fourth Proportional to 4,188.32, 6,245.86 and 3,670.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,188.32 : 6,245.86 = 3,670.72 : x
2. Step 2: Convert to fraction form
   4,188.32/6,245.86 = 3,670.72/x
3. Step 3: Cross multiply
   4,188.32x = 6,245.86 × 3,670.72
4. Step 4: Simplify right side
   4,188.32x = 22,926,803.22
5. Step 5: Solve for x
   x = 22,926,803.22/4,188.32
6. Step 6: Final answer
   x = 5,473.99