Finding the Fourth Proportional to 7,499.27, 11,253.93 and 3,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.27 : 11,253.93 = 3,116.72 : x
2. Step 2: Convert to fraction form
   7,499.27/11,253.93 = 3,116.72/x
3. Step 3: Cross multiply
   7,499.27x = 11,253.93 × 3,116.72
4. Step 4: Simplify right side
   7,499.27x = 35,075,348.71
5. Step 5: Solve for x
   x = 35,075,348.71/7,499.27
6. Step 6: Final answer
   x = 4,677.17