Finding the Fourth Proportional to 7,116.73, 9,820.34 and 4,131.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,116.73 : 9,820.34 = 4,131.98 : x
2. Step 2: Convert to fraction form
   7,116.73/9,820.34 = 4,131.98/x
3. Step 3: Cross multiply
   7,116.73x = 9,820.34 × 4,131.98
4. Step 4: Simplify right side
   7,116.73x = 40,577,415.54
5. Step 5: Solve for x
   x = 40,577,415.54/7,116.73
6. Step 6: Final answer
   x = 5,701.70