Finding the Fourth Proportional to 11,646.70, 16,074.73 and 7,402.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,646.70 : 16,074.73 = 7,402.71 : x
2. Step 2: Convert to fraction form
   11,646.70/16,074.73 = 7,402.71/x
3. Step 3: Cross multiply
   11,646.70x = 16,074.73 × 7,402.71
4. Step 4: Simplify right side
   11,646.70x = 118,996,487.32
5. Step 5: Solve for x
   x = 118,996,487.32/11,646.70
6. Step 6: Final answer
   x = 10,217.18