Finding the Fourth Proportional to 12,770.93, 17,621.24 and 7,735.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,770.93 : 17,621.24 = 7,735.48 : x
2. Step 2: Convert to fraction form
   12,770.93/17,621.24 = 7,735.48/x
3. Step 3: Cross multiply
   12,770.93x = 17,621.24 × 7,735.48
4. Step 4: Simplify right side
   12,770.93x = 136,308,666.86
5. Step 5: Solve for x
   x = 136,308,666.86/12,770.93
6. Step 6: Final answer
   x = 10,673.35