Finding the Fourth Proportional to 7,456.91, 11,186.72 and 3,071.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,456.91 : 11,186.72 = 3,071.98 : x
2. Step 2: Convert to fraction form
   7,456.91/11,186.72 = 3,071.98/x
3. Step 3: Cross multiply
   7,456.91x = 11,186.72 × 3,071.98
4. Step 4: Simplify right side
   7,456.91x = 34,365,308.81
5. Step 5: Solve for x
   x = 34,365,308.81/7,456.91
6. Step 6: Final answer
   x = 4,608.52